If we are not prepared to defend a tolerant society against the onslaught of the intolerant, then the tolerant will be destroyed, and tolerance with them.

True ignorance is not the absence of knowledge, but the refusal to acquire it.

The growth of knowledge depends entirely upon disagreement.

In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality.

The question is not how to get good people to rule; THE QUESTION IS: HOW TO STOP THE POWERFUL from doing as much damage as they can to us.

If you can't say it simply and clearly, keep quiet, and keep working on it till you can.

The best thing that can happen to a human being us to find a problem, to fall in love with that problem, and to live trying to solve that problem, unless another problem even more lovable appears.

Ignorance is not a simple lack of knowledge but an active aversion to knowledge, the refusal to know, issuing from cowardice, pride, or laziness of mind.

A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory (as people often think) but a vice.

I may be wrong and you may be right, and by an effort, we may get nearer to the truth

The attempt to make heaven on earth invariably produces hell.

Grace is good.

And my worst pains are words I cannot say

We crafted everything that hurt us into art.

The atmosphere of libraries, lecture rooms and laboratories is dangerous to those who shut themselves up in them too long. It separates us from reality like a fog.

When a man is getting better he understands more and more clearly the evil that is still left in him. When a man is getting worse he understands his own badness less and less.

At some point, you can't take a risk just to take a risk because that's a betrayal, in and of itself.

Too many of us never understand what we owe to our dear ones until there remains no further opportunity of paying love's debt.

Is it possible to be overzealous, to destroy that which you hope to save-so that nothing is left but emptiness.

I've dealt with a few method actors, and I don't know if should say this, but I think it's a bunch of nonsense. I think it's film acting and you just have to be on when the camera is rolling.

I'm not sure blogs are necessarily the best place to get a pulse on anything. People want to blog for a variety of reasons, and that may or may not be representative.