The aim of science is to seek the simplest explanation of complex facts. We are apt to fall into the error of thinking that the facts are simple because simplicity is the goal of our quest. The guiding motto in the life of every natural philosopher should be ``Seek simplicity and distrust it.''

Human life is driven forward by its dim apprehension of notions too general for its existing language.

Almost all new ideas have a certain aspect of foolishness when they are first produced.

[In many circumstances,] the most important thing about a proposition is not that it be true, but that it be interesting.

Religion is the last refuge of human savagery.

The total absence of humor from the Bible is one of the most singular things in all literature.

Nobody has a right to speak more clearly than he thinks.