Like the Sophists, he was unconcerned with physical or metaphysical questions; the issue of primary importance was ethics, living a good life. ... All information is taken from: Sophie's World: a Novel about the History of Philosophy by Jostein Gaarder. 4. ... He is the philosophy that talks about how you can't step into the same river twice because it would be new water every time you put your foot in. ...

• Word Count: 3636
• Approx Pages: 15
• Has Bibliography
• Grade Level: High School