It is the first duty of a hypothesis to be intelligible.

The great tragedy of science - the slaying of a beautiful hypothesis by an ugly fact.

Only one absolute certainty is possible to man, namely that at any given moment the feeling which he has exists.

The Bible has been the Magna Charta of the poor and of the oppressed.

If a little knowledge is dangerous, where is the man who has so much as to be out of danger?

It is not who is right, but what is right, that is of importance.

Thoughtfulness for others, generosity, modesty, and self-respect are the qualities which make a real gentleman or lady.

God give me strength to face a fact though it slay me.

Life is too short to occupy oneself with the slaying of the slain more than once.

The secret of genius is to carry the spirit of childhood into maturity.

Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation.

Only one word describes a woman widowed for the second time on her wedding night – cursed.

Let me tell you something: you can not write good fiction about ideas. You can only write good fiction about people.

I don't think most analysts understand that whether I work a 70-hour week or an 80-hour week, I take my head with me when I go home.

The only way to be true to our American tradition is to maintain absolute governmental neutrality regarding religious beliefs and practices

Secrets are never secure because they are always at risk of being found out.

I believe in doing the thing you feel is right. If it looks right, it is right.

What we really are matters more than what other people think of us.

The secret of getting along with people is that of postponing quarrels.

Why ponder thus the future to foresee, and jade thy brain to vain perplexity? Cast off thy care, leave Allah’s plans to him – He formed them all without consulting thee.

I mean, I wouldn't pay more than a couple of quid to see me, and I'm me.