This Greek philosopher was a strong proponent of dialectical monism, partially due to his belief that up and down were the same.
In the Platonic dialogue named after a disciple of this man, the title character renounces speech in favor of finger wagging because he's convinced words aren't reliable; that disciple was Cratylus. This Greek philosopher was a strong proponent of dialectical monism, partially due to his belief that up and down were the same. This man was characterized by some of his contemporaries as "the weeping philosopher." This philosopher considered fire to be the most fundamental element. He was the first philosopher to deal seriously with the concept of logos, and his philosophy of change can be summed up by the aphorism panta rhei, or "everything flows." For 10 points, who is this Greek philosopher who is perhaps best known for saying that a man can't step in the same river twice?
In the Platonic dialogue named after a disciple of this man, the title character renounces speech in favor of finger wagging because he's convinced words aren't reliable; that disciple was Cratylus.
Heraclitus