It is thus tolerance that is the source of peace, and intolerance that is the source of disorder and squabbling.

In matters of religion, it is very easy to deceive a man and very hard to undeceive him.

The antiquity and general acceptance of an opinion is not assurance of its truth.

If an historian were to relate truthfully all the crimes, weaknesses, and disorders of mankind, his readers would take his work for satire rather than for history.

There was no other God, religion, or lawful magistracy, than conscience, which teaches all men the precepts of Justice, to do no injury, to live honestly, and give everyone his due.

It is pure illusion to think that an opinion which passes down from century to century, from generation to generation, may not be entirely false.

No nations are more warlike than those which profess Christianity.

It is only common prejudice that induces us to believe that atheism is a fearful state.

Properly speaking, history is nothing but the crimes and misfortunes of the human race.

I am a good Protestant, and in the full sense of the term, for from the bottom of my soul, I protest against everything that is said, and everything that is done.

I know too much to be a sceptic and too little to be a dogmatist.

Never believe you are the best, but believe you are one of the best.

I studied at the Hebrew University Medical Faculty, graduated, and was an Israel Defense Forces' combat physician on a Navy ship.

He's nice enough not to want to be associated with a nasty remark but not nice enough not to make it. Lacking the courage of one's nastiness does not make one nice.

I think the most well-adjusted people live in the present with an eye toward the future - I'm not among those.

Things usually work out in the end." "What if they don't?" "That just means you haven't come to the end yet.

But from what I can see all around me today, that America is fading fast, if it's not already gone.

Be like a postage stamp. Stick to one thing until you get there.

The things I really learned, I learned from watching my parents. They take care of business. Always have.

... we do not admire what we cannot understand.

Alone, the world offers itself freely to us. To be unmasked, it has no choice.