What two things did great thinkers of Athens use during the fourth century B. C

Intellectual and philosophical leanings.

Explanation:

The Greeks thinkers of Athens were famous for their views about the World with their understanding the universe that consist of absolute and unchanging laws. People can follow these laws through reasoning and analysis. They also questioned the existence of the traditional Greek gods along with beliefs about justice and traditional values. Some of the famous thinkers of that period were Socrates, Plato, and Aristotle. Aristotle examined the nature of the world and human belief, and knowledge. Plato became famous for his work called The Republic, as it was a set of   visions of a perfect governed society.

i would go with the last one

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