The medieval doctors of divinity who did not pretend to settle how many angels could dance on the point of a needle cut a very poor figure as far as romantic credulity is concerned beside the modern physicists who have settled to the billionth of a millimetre every movement and position in the dance of the electrons. Not for worlds would I question the precise accuracy of these calculations or the existence of electrons (whatever they may be). The fate of Joan is a warning to me against such heresy.

If you strike a child, take care that you strike it in anger, even at the risk of maiming it for life. A blow in cold blood neither can nor should be forgiven.

Men are not governed by justice, but by law or persuasion. When they refuse to be governed by law or persuasion, they have to be governed by force or fraud, or both.

Find enough clever things to say, and you're a Prime Minister; write them down and you're a Shakespeare.

A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.

Let no one suppose that the words doctor and patient can disguise from the parties the fact that they are employer and employee.

The natural term of the affection of the human animal for its offspring is six years.