A man in debt is so far a slave.

The believing we do something when we do nothing is the first illusion of tobacco.

Of course you will insist on modesty in the children, and respect to their teachers, but if the boy stops you in your speech, cries out that you are wrong and sets you right, hug him!

Be as beneficent as the sun or the sea, but if your rights as a rational being are trenched on, die on the first inch of your territory.

The rain comes when the wind calls.

In the death of my son, now more than two years ago, I seem to have lost a beautiful estate,--no more. I cannot get it nearer to me.

The astronomers said, 'Give us matter and a little motion and we will construct the universe. It is not enough that we should have matter, we must also have a single impulse, one shove to launch the mass and generate the harmony of the centrifugal and centripetal forces.' ... There is no end to the consequences of the act. That famous aboriginal push propagates itself through all the balls of the system, and through every atom of every ball.