No revolutionary movement is complete without its poetical expression.

Never apologize, mister, it’s a sign of weakness.

I worry about kids today not having time to build a tree house or ride a bike or go fishing. I worry that life is getting faster and faster.

It is hard work to control the workings of inclination and turn the bent of nature; but that it may be done, I know from experience. God has given us, in a measure, the power to make our own fate.

Resolve to serve no more, and you are at once freed.

You can never be sure whether you are discovering the truth or inventing it.

It is a distinction to have many virtues, but a hard lot.

To be rich nowadays merely means to possess a large number of poor objects.

It's a hard, simple calculus: Run until you can't run anymore. Then run some more. Find a new source of energy and will. Then run even faster.

Many modern scholars have found the asceticism expressed in Plato unacceptable; it does not sound like the advice of a reasonable man in the Cartesian tradition.

I read the art reviews of my work. Some critics understand my art correctly, while some don't. I simply ignore the reviews written by the latter.