What Plato was really asking was perhaps why a horse was a horse, and not, for example, a cross between a horse and a pig.

Life is like a huge lottery in which only the winning tickets are visible.

the very best that can happen is to have energetic opponents. The more extreme they become, the more powerful the reaction they will have to face.

That fact that Athens could condemn its noblest citizen to death did more than make a profound impression on him. It was to shape the course of his entire philosophic endeavor.

There is no order of things except in the human mind.

As long as we are children, we have the ability to experience things around us--but then we grow used to the world. To grow up is to get drunk on sensory experience.

When you realize there is something you don't understand, then you're generally on the right path to understanding all kinds of things.