Wild animals never kill for sport. Man is the only one to whom the torture and death of his fellow creatures is amusing in itself.

As we advance in life, we learn the limits of our abilities.

Superior strength is found in the long run to lie with those who had right on their side.

Human improvement is from within outward.

Philosophy goes no further than probabilities, and in every assertion keeps a doubt in reserve.

Wild animals never kill for sport. Man is the only one to whom the torture and death of his fellow creatures is amusing in itself.

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 deny the freedom of the will is to make morality impossible.

A person possessed with an idea cannot be reasoned with.

You cannot dream yourself into a character; you must hammer and forge yourself one.

No person is ever good for much, that hasn’t been swept off their feet by enthusiasm between ages twenty and thirty.

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

Age does not make us childish, as some say; it finds us true children.

The first duty of an historian is to be on guard against his own sympathies.

Fear is the parent of cruelty.

The endurance of the inequalities of life by the poor is the marvel of human society.

We enter the world alone, we leave the world alone.

The better one is morally the less aware they are of their virtue.

Instruction does not prevent wasted time or mistakes; and mistakes themselves are often the best teachers of all.

The essence of greatness is neglect of the self.

The practical effect of a belief is the real test of its soundness.

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

Experience teaches slowly, and at the cost of mistakes.