Some forty years of experience in my field as a scholar and as a teacher have given me great confidence mixed with greater humility.

Men of science have made abundant mistakes of every kind; their knowledge has improved only because of their gradual abandonment of ancient errors, poor approximations, and premature conclusions.

The most malicious kind of hatred is that which is built upon a theological foundation.

Erudition without pedantry is as a rare as wisdom itself.

Scientific achievements seem evanescent, because the very progress of science causes their supersedure; yet some of them are of so fundamental a nature that they are immortal in a deeper way.

The whole iconography of ancient science is simply the fruit of wishful thinking.

From the humanistic point of view every human achievement is unforgettable and immortal in its essence, even if it is replaced by a "better" one.

There are but few saints amongst scientists, as among other men, but truth itself is a goal comparable with sanctity.

The darkness, of which the historians complain, is essentially the darkness of their own ignorance.

science is the most revolutionary force in the world.

Greek culture is pleasant to contemplate because of its great simplicity and naturalness, and because of the absence of gadgets, each of which is sooner or later a cause of servitude.

I never did give them hell. I just told the truth, and they thought it was hell.

There are certain things in life that you'll be forgiven for, no matter how thoughtless or stupid or reckless, but if you do that same thing twice, you're on your own.

Knowing the enemy enables you to take the offensive,  knowing yourself enables you to stand on the defensive.

The answers you get depend on the questions you ask.

How about this John Kerry controversy? So he's out there in California, tells some kind of joke and it backfires. He's saying he botched the joke. ... This guy can lose elections he's not even in.

Public schools are where the next generation of leaders are educated and where cultural exchange will take place.

I absolutely love being back in Nebraska and I love that my wife is able to experience a lot of the great things that made me love this place years ago. The lifestyle, the people.

Quebec's distinct character makes Canada an even better country, and vice versa: being in Canada makes Quebec a better place too.

Acting is not talking, it's living off the other fellow!!!

Newspaper reporting is really storytelling. We call our articles 'stories,' and we try to tell them in a way that even people who don't know all the background can understand them.