A person possessed with an idea cannot be reasoned with.

The secret of a person's nature lies in their religion and what they really believes about the world and their place in it.

To be happy is not the purpose for which you are placed in this world.

Science rests on reason and experiment, and can meet an opponent with calmness; [but] a creed is always sensitive.

In everyday things the law of sacrifice takes the form of positive duty.

Morality, when vigorously alive, sees farther than intellect, and provides unconsciously for intellectual difficulties.

A single seed of fact will produce in a season or two a harvest of calumnies; but sensible men will pay no attention to them.