The Pre-Socratic Philosophers
1:03:03
Epicurus Life and Philosophy
22:24
Carl Sagan on the Pre-socratic philosophers
47:56
Dr. Darren Staloff, Presocratics: Ionian Speculation and Eliatic Metaphysics
57:58
The Ancients: Plato
28:35
Heraclitus: Pre-Socratic Philosophy
54:00
Hegel
1:01:37
The Ancients: Aristotle
56:25