Never pick up a stray kitten . . . unless you've already made up your mind to be owned by it.

I believe in - I am proud to belong to - the United States.

The more you love, the more you can love - and the more intensely you love.

Was there ever a time when the majority was right?

There is no such thing as luck; there is only adequate or inadequate preparation to cope with a statistical universe.

Nobody has ever seen an electron. Nor a thought. You can't see a thought, you can't measure, weigh, nor taste it- but thoughts are the most real things in the Galaxy.

Correct morality can only be derived from what man is — not from what do-gooders and well-meaning aunt Nellies would like him to be.