The nicest thing for me is sleep, then at least I can dream.

I am not young enough to know everything.

During the first period of a man's life the greatest danger is not to take the risk.

Be thankful for what you have; you'll end up having more. If you concentrate on what you don't have, you will never, ever have enough

There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.

If you've been playing poker for half an hour and you still don't know who the patsy is, you're the patsy.

I did then what I knew how to do. Now that I know better, I do better.

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.

Every morning we are born again. What we do today is what matters most.

We don't see things as they are, we see them as we are.

The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.

I never think of the future - it comes soon enough.

I think it's much more interesting to live not knowing than to have answers which might be wrong.

Wrinkles are engraved smiles.

Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.

History has shown there are no invincible armies.

Being a hero is about the shortest-lived profession on earth.

That's the trouble with the world. We all despise ourselves.

Old age is the only disease you dont want to be cured of.

First, then, God, being all-just, wishes to do justice; being all-wise, knows what justice is; being all-powerful, can do justice. Why then injustice?

Each life makes its own immitation of immortality.