It's cool to have instruments lying around because they give you different ideas.
Perfection is one thing and enjoyment another; these two having different ends, engage men differently.
There is no other teacher but your own soul.
My countrymen should have nerves of steel, muscles of iron, and minds like thunderbolt.
My child, what I want is muscles of iron and nerves of steel, inside which dwells a mind of the same material as that of which the thunderbolt is made.
There is no motion in a straight line. A straight line infinitely projected becomes a circle.
The will is not free - it is a phenomenon bound by cause and effect - but there is something behind the will which is free.
We become forgetful of the ego when we think of the body as dedicated to the service of others - the body with which most complacently we identify the ego.
The most sure, but at the same time the most difficult expedient to mend the morals of the people, is a perfect system of education.
From earliest times, humans - explorers and thinkers - have wanted to figure out the shape of their world. Forever, the way we've done that is through storytelling. It is difficult to let the truth get in the way of a good story.
I think a lot of moral debates are not over what is the basis of justice, but who gets a ticket to play in the game.