The Ancient Greeks basically invented Western philosophy. 2500 years on and we’re still studying their ideas.
Here are 10 Greek philosophers you need to know:
1. Thales, 7th cent. BC
Thales was part of a new generation of thinkers trying to uncover how the cosmos were constructed without relying on the gods as an explanation. An early Monist, he considered a single element to be the main building block of the cosmos.