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Thales of Miletus

Adapted from Wikipedia · Adventurer experience

A colorful ancient Roman wall painting showing the philosopher Thales of Miletos from the Baths of the Seven Sages in Ostia Antica.

Thales of Miletus was an Ancient Greek thinker from Miletus in Ionia, Asia Minor. He lived around 626–548 BC and is often called one of the Seven Sages of Ancient Greece. Many people think Thales was the first true thinker because he tried to explain things using reason and science instead of just stories.

Thales believed that everything in nature comes from one basic thing, which he thought was water. He even said that the Earth floated on water. His ideas influenced many other thinkers.

Thales was also good at math and science. We still learn about him in math class with Thales's theorem. He figured out how to measure the height of the pyramids and how far ships were from shore. As an astronomer, Thales could predict solar eclipses and the positions of stars like Ursa Major. He also helped find the dates of the solstices and equinoxes. Besides thinking and science, Thales was an engineer who helped people cross the Halys River.

Life

The Ionic Stoa on the Sacred Way in Miletus.

The main source for Thales's life is the work of Diogenes Laërtius, written long after Thales lived. Thales came from Miletus, a trading city near modern Didim, Turkey.

Thales is known for predicting a solar eclipse in 585 BC. He is considered one of the Seven Sages of ancient Greece. He is famous for the saying "know thyself." Stories say a golden tripod was to go to the wisest person. It was given to Thales, and he dedicated it to a temple. Thales also gave advice to his people about leadership and working together.

Theories and studies

Early Greeks often explained natural events by referring to gods and heroes. Thales tried to explain these events using natural processes instead, focusing on ideas like Logos rather than myths.

Thales depicted at the Baths of the Seven Sages.

Thales is famous for his idea that everything is made of water. He believed water was the basic building block of nature. This idea was shared by Aristotle, who thought Thales saw water as the starting point for all things because it is needed for life and growth.

Thales also helped bring geometry from Egypt to Greece. He is known for introducing ways to measure distances and understand shapes, like how a circle is cut in half by its center line, and how angles work in triangles. His ideas were important steps in developing math.

Death and legacy

Detail of Thales from The Beginnings of Science (1906) by Veloso Salgado

Thales died when he was 78, during the 58th Olympiad. His ideas helped many Greek thinkers and shaped Western history. Thales was the first of three important philosophers from Miletus, called the Milesian school. After him came Anaximander and then Anaximenes. These philosophers asked big questions about the world and nature. Thales may have also taught other important thinkers like Pythagoras.

Images

The Great Pyramids of Giza stand tall against the desert sky, showcasing ancient Egyptian engineering.
A breathtaking view of a total solar eclipse showing the sun’s corona glowing in the sky.
A historical map showing the locations of Greek and Phoenician colonies around the fourth century BC in the Mediterranean region.
Urania, the Muse of Astronomy, shows Thales the secrets of the night sky in this classical painting by Antonio Canova.
Ruins of an ancient Roman olive mill in Capernaum, showing historic stone millstones used to process olives.
A scenic view of the Kızılırmak River from the village of Kapıkaya.
The Parthenon, an ancient Greek temple located in Athens, is shown from its western side.
A historical woodcut illustration of the ancient Greek philosopher Thales from the Nuremberg Chronicle.
Mathematical diagram illustrating Thales' theorem

This article is a child-friendly adaptation of the Wikipedia article on Thales of Miletus, available under CC BY-SA 4.0.

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