[Scientists] have learned to respect nothing but evidence, and to believe that their highest duty lies in submitting to it however it may jar against their inclinations.

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.

Your subconscious mind is always listening to and believing in everything you repeatedly say about yourself. So try not to become your own enemy of progress.

Gift like genius I often think only means an infinite capacity for taking pains.

It is a parent's responsibility to preserve the connection with their children, to preserve the relationship, so that the children can let go and become their own selves.

God does not so much want us to do things as to let people see what He can do.

What would bring about a revival of epic proportion?

The more intelligible a thing is, the more easily it is retained in the memory, and counterwise, the less intelligible it is, the more easily we forget it.

Nuclear bombs have made mass murder a reality. Nuclear bombs threaten humankind.

You see, the problem with me is I'm so good even my friends think I'm doing something wrong. Flair and flamboyance is not illegal. It may be detestable, it may be offensive, but it's not illegal.

That's the harm of Close Encounters: that it convinces tens of millions that that's what just science fiction is.

Burn not thy fingers to snuff another man's candle.