Caption: A detail of "The School of Athens" (1509) by Raphael (1483--1520) showing Plato (428/427--348/347 BCE) on the left and Aristotle (384--322 BCE) on the right.

The discord between idealism and empiricism. Just following a herd, yours truly thinks we need both.

The model for Plato may have been Leonardo da Vinci (1452--1519)---if he was it, it may have involuntarily.

Credit/Permission: Raphael (1483--1520), 1509 (uploaded to Wikipedia by User:Jacobolus, 2005) / Public domain.
Image link: Wikipedia: File:Sanzio 01 Plato Aristotle.jpg.
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