The document summarizes key ideas from ancient Greek philosophers Socrates, Plato, and Aristotle. Socrates believed that the unexamined life is not worth living and that wisdom comes from wonder. Plato was a student of Socrates and established his Academy school. Aristotle was a student of Plato and established his own school called the Lyceum. The document also briefly discusses other ancient Greek philosophers and historians like Pythagoras, the Sophists, Herodotus, and Thucydides.

1. Ancient Greek Philosophers School of Athens - Raphael Sanzio

2. “ The unexamined life is not worth living. ... Wisdom begins in wonder. ... There is only one good, knowledge, and one evil, ignorance.” (Socrates, 469 - 399 B.C.)