It has become almost a cliche to remark that nobody boasts of ignorance of literature, but it is socially acceptable to boast ignorance of science and proudly claim incompetence in mathematics.

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.

For, let me tell you that the more the pleasures of the body fade away, the greater to me are the pleasure and charm of conversation.

How could I have been so stupid to ignore everything I’d had in my life? The color red alone was worth kingdoms.

Novelty, the most potent of all attractions, is also the most perishable.

My first dream as a child was to become a pilot. My second dream was to become an astronomer, and I pursued in parallel efforts and studies in these two areas.

If I'm going to do something, I really put everything into it and I want it to mean something to me.

Nothing is more humiliating than to see idiots succeed in enterprises we have failed in.

Money is small and the soul stands tall. All those who don't realize this, fall.

Me and my dad used to play tag, he'd drive!

A joyless Catholic is the devil's best tool. A joyful Catholic is God's greatest instrument.

The greatest hazard in life is to risk NOTHING.