Socrates is considered by many the father of Western philosophy

When Marcus Aurelius created endowed philosophy chairs in Athens

The Roman Emperor Marcus Aurelius is known as one of the most famous Stoic writers or thinkers, penning his classic opus ‘Meditations.’ In 176 CE, he endowed four philosophy chairs in Athens: one for Stoicism, and one for three of Stoicism’s rival schools: Aristotelianism, Platonism, and Epicureanism.

Plato's allegory of the cave is a metaphor for the value of learning

In the story, which comes from the Socratic dialogue, "The Republic," a group of prisoners are confined in a cave since birth—chained and facing a wall with a fire behind them, so any glimpses of life were rendered by shadows. One prisoner escapes and lands in a strange and unfamiliar world, an analogy for the role of the philosopher.

How philosophers have approached death throughout history

Philosophers often argue the counterintuitive view that there's actually nothing to fear about death. How do they come to this attitude of acceptance toward fate? This video articulates the views on death from Socrates, Epicurus, and Zhuangzi in a breezy, digestible way.

The ancient Greek philosopher who lived in a barrel

Out with green puppets living in trash cans, and in with ancient Greek philosophers living in barrels. This article details the life and beliefs of Diogenes the Cynic, a philosopher who reportedly lived in a barrel. According to this peer-reviewed article, it's unclear if Diogenes recorded any of his beliefs in writing. If he did, no texts have been recovered.

The ancient Greeks laid the foundation of Western culture, from ideas to sports

The Latin alphabet is the most used in the world and stems from the Greek language. The greatest sporting event in the world, the Olympics, originated among the Greeks. The way many countries decide on policy is via forms of democracy, an innovation of the ancient Greeks.

Critics of Alexander the Great see him as power-hungry and ruthless

Arguments against his greatness include that he likely murdered his father for the throne, poorly led his territories, and only conquered one empire despite touting greater feats. Proponents argue that he was a skilled military leader and helped usher in the Hellenistic Age, where Greek cultural influence spread across Europe and Asia.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

Read Albert Camus' 'Myth of Sisyphus and Other Essays'

Camus' most famous work of nonfiction is this collection of philosophical essays. Perhaps the most resonant entry is the title essay, which reimagines the Greek myth of a man condemned to roll a boulder for all eternity. Rather than presenting the story as a cautionary tale about defying the gods, as the original myth intended, Camus considered Sisyphus an "absurd hero" for his actions and imagined him smiling as he endlessly toiled at his repetitive punishment.

Kierkegaard used pseudonyms throughout his writing

“The Father of Existentialism” published over 40 texts and 40 articles during his life and used several pen names throughout them. The pseudonyms allowed him to present relevant opinions in a relatable, first-person manner without the reader believing that Søren Kierkegaard earnestly held them.

The Founders placed the pursuit of happiness at the center of good governance

This podcast explores the central place happiness played in the American founding, highlighting the influence of Greek and Roman moral philosophy on the founders’ constitutional ideas.

SpongeBob exemplifies Aristotle's philosophy for living well

In today's society, SpongeBob's life as a single man, line cook, and town fool may not seem appealing. But SpongeBob is perhaps the happiest creature in Bikini Bottom, because he understands that happiness doesn't come from external factors like money, recognition, or power.

One of the earliest known satires is an ancient Egyptian parody of life advice

“The Satire of the Trades” mocks the then-popular “wisdom literature,” which imparted life advice. In the text, a father, a scribe, explains why his son should work the same job, detailing the miseries of several other lines of work. His ultimate argument is that it’s best to be a manager rather than a worker: “See, there is no office free from supervisors except the scribe's. He is the supervisor!”

Who was Freud and what did he say?

Sigmund Freud is one of the most famous psychologists and is widely cited—but do you really know the basics of what he taught? Here's a super brief breakdown of his major insights.

His father, an art instructor, taught him to paint

Picasso’s talent was evident from an early age. With the encouragement and instruction of his father, an artist and art instructor, he developed classical techniques that often surprise those only familiar with his abstract works.

The prophetic Oracle of Delphi held real power in ancient Greece

It was said to have a direct line to Apollo, the Greek god of various domains, including music and prophecy. The oracle was believed to be the most important job in the city and could only be held by women. After years of training, oracles-to-be would be assessed to see if they could become the Pythia—the single oracle who would communicate Apollo's will.

Enlightenment ideals of reason informed the foundation of the Revolution

From the 17th to 19th centuries, an intellectual movement took place in Europe and its colonies that emphasized reason over authority. Following the Scientific Revolution, thinkers like Descartes, Kant, and Locke sought to explain the world in rational—rather than religious—terms. The movement caused a paradigm shift in how societies are organized and how people perceive themselves.

Shakespeare was criticized in his own time

Robert Greene was a respected writer during Shakespeare’s time as an actor-playwright who famously dismissed the young upstart, accusing him of plagiarism and criticizing his ability to write blank verse.

How yoga philosophy inspired Thoreau

In the 19th century, yogis traveling in America emphasized the practice as a philosophical one rather than a purely physical act. Like many Americans at the time, including his friend Ralph Waldo Emerson, Thoreau was intrigued by yoga's mysticism, once writing, "I cannot read a single word of the Hindoos without being elevated."

What is rhetoric?

The roots of "rhetoric" stretch back to ancient Greece, where early philosophers defined rhetoric as the art of winning the soul through discourse or the art of persuasion. Rhetoric and its proposed nature have since shifted, with more modern sources describing rhetoric as a natural byproduct of language, the intentional framing of discourse, or the study of how humans use symbols and language to carry out human activity.

Many consider Twain 'the father of American literature'

In "Green Hills of Africa," Ernest Hemingway declared that all modern American literature sprang from Twain's "Adventures of Huckleberry Finn." That's a sentiment shared by many scholars, who assert that Twain's book changed American fiction by challenging the country's racist history and incorporating a more realistic vernacular.

Scholars argue Egypt's Great Sphinx depicts the pharaoh Khufu

Egypt's ancient marvel, the 66-foot, 4,500-year-old Great Sphinx, is believed to stand as a guard to the great Giza pyramids—or tombs—of pharaohs Khafre and Khufu. Archaeologists have long debated which of the two leaders' faces is on the great monument, the father (Khufu) or the son (Khafre).

Who was the world's first author?

This article details the effort to define the world's first author, as supported by current archaeological evidence. Clay disks found in an ancient Sumerian city point to Enheduanna, a high priestess and daughter of Akkadian King Sargon, as the...

Various ancient writers reinterpreted the life of Helen of Troy

Helen of Troy is the woman whose face launched a thousand ships and the Greek wife of Menelaus taken by Paris of Troy to be his wife. To get her back, the Greeks launched the war that would end in the burning of the city of Troy and contribute to the literary tradition through Homer, Horace, and more.

Sartre eventually denounced communism

The French philosopher was a long-time ardent supporter of communism and the USSR. He finally spoke out against the movement with the 1956 Soviet invasion of Hungary, saying that the move was "made possible by 12 years of terror and imbecility."

'Our greatest responsibility is to be good ancestors.'

- Polio vaccine developer Jonas Salk (1914–1995)

Benjamin Graham is known as the 'father of value investing'

Graham was an investor, author, and professor who was also Warren Buffett's teacher and mentor during his time at Columbia University. Graham is still considered one of the most influential people in the world of investing today.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Existentialist writer Jean-Paul Sartre coined the famous phrase 'Hell is—other people' in his play 'No Exit'

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

The Brothers Grimm were lawyers before they were storytellers, and became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.