Time is the best killer.

A mother's love for her child is like nothing else in the world. It knows no law, no pity, it dares all things and crushes down remorselessly all that stands in its path.

An archaeologist is the best husband a woman can have. The older she gets the more interested he is in her.

I don't think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness - to save oneself trouble.

It is ridiculous to set a detective story in New York City. New York City is itself a detective story.

Very few of us are what we seem.

Dogs are wise. They crawl away into a quiet corner and lick their wounds and do not rejoin the world until they are whole once more.

Nobody knows what another person is thinking. They may imagine they do, but they are nearly always wrong.

Fear is incomplete knowledge.

Books are a habit-forming drug.

I like living. I have sometimes been wildly, despairingly, acutely miserable, racked with sorrow, but through it all I still know quite certainly that just to be alive is a grand thing.

Welcome the righteous, avoid the wicked, and yet open both arms to the repentant.Whoever receives them receives God.

Every theory in medicine, if medicine is to remain healthy, must be beaten out on the anvil of skepticism. So do we weed out charlatanism.

Be quick to praise people. People like to praise those who praise them.

Economy is half the battle in life, but it is not so hard to earn money as to spend it well. Hundreds would never have known want if they had not first known waste.

I quite like that jeopardy, those up-against-the-wall odds. I don't like it when it's over-comfortable, too easy, something that can be done in two or three weeks. I like a challenge.

The Middle Ages burned its heretics and the modern age threatens them with atom bombs.

When I wake up, I wake to something worse. It’s the astonishment of being myself

I have lost a brother and a best friend. The world has lost one of the greatest actors of all time.

When tremendous dangers are involved, no one can be blamed for looking to his own interest.

You never stop loving someone. You just learn to live without them.