It is not by delusion, however exalted, that mankind can prosper, but only by unswerving courage in the pursuit of truth.

The good life is one inspired by love and guided by knowledge.

The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.

The time you enjoy wasting is not wasted time.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

Men are born ignorant, not stupid. They are made stupid by education.

An Honest politician will not be tolerated by a democracy unless he is very stupid ... because only a very stupid man can honestly share the prejudices of more than half the nation.

If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have a paradise in a few years.

We have in fact, two kinds of morality, side by side: one which we preach, but do not practice, and another which we practice, but seldom preach.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.

Cruel men believe in a cruel god and use their belief to excuse their cruelty. Only kindly men believe in a kindly god, and they would be kindly in any case.

Religious liberty might be supposed to mean that everybody is free to discuss religion. In practice it means that hardly anybody is allowed to mention it.

The Old and New Testaments are the Great Code of Art.

We don't believe we've solved the multicore-programming problem. But we think we've built an environment in which a certain class of problems can take advantage of the multicore architecture.

The supernatural is only the natural of which the laws are not yet understood.

Videogames are a little more work and they're a little more stilted.

Men sunk in the greatest darkness imaginable retain some sense and awe of the Deity.

Once you get rid of integrity the rest is a piece of cake.

Parent's job = Prepare the child for the world. Parent of autistic child's job = Prepare the world for the child.

You ride well, but you don't kiss nicely at all.

It is well known that, when two authors meet, they at once start talking about money-like everyone else.