Religion is not the root of all evil, for no one thing is the root of all anything.

Much as we might wish to believe otherwise, universal love and the welfare of the species as a whole are concepts which simply do not make evolutionary sense.

Do not indoctrinate your children. Teach them how to think for themselves, how to evaluate evidence, and how to disagree with you.

Faith is belief without evidence and reason; coincidentally that's also the definition of delusion.

Evolution is just a theory? Well, so is gravity and I don't see you jumping out of buildings.

Such delusions of grandeur to think that a God with a hundred billion galaxies on his mind would give a tuppenny damn who you sleep with, or indeed whether you believe in him.

The less you think, the more you believe.

How thoughtful of God to arrange matters so that, wherever you happen to be born, the local religion always turns out to be the true one.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.

Science is the poetry of reality.

The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity.

Picture books are for everybody at any age, not books to be left behind as we grow older.

Nobody respects women more than Donald Trump.

I am profoundly skeptical about our abilities to predict the future in general, and human behavior in particular.

It is not people who break ethical standards who are regarded as aliens. It is people like me who are isolated.

Doing stuff never feels as good as you hope it will feel.

The economic function of space industrialization is to generate jobs on Earth, not in space.

I think if the United States gave anything to culture at large in the 20th century, the most important contribution made was the popular song.

If you are pained by any external thing, it is not this that disturbs you, but your own judgment about it.

Question everything, even if it represents generations of conventional wisdom.

... and we shall find A pleasure in the dimness of the stars.