Science has eradicated smallpox, can immunise against most previously deadly viruses, can kill most previously deadly bacteria. Theology has done nothing but talk of pestilence as the wages of sin.

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.

There is no more disastrous mania, no more dangerous whim, than the speculation over roads not taken.

People who work hard often work too hard. ... May we learn to honor the hammock, the siesta, the nap and the pause in all its forms.

Anytime I am spending time with my son. We went to a theme party recently and it was Toy Story. He was Buzz Lightyear, I was Woody and his mom dressed like Woody's wife.

Success is counted sweetest / By those who ne'er succeed.

A Horcrux is the complete opposite of a human being.

He's so interesting because you think you know Dennis Hopper, but you don't really know Dennis Hopper. I don't really know Dennis Hopper, I just know him from the silver screen.

How is it that in the so-called barbarian ages art was understood, whereas in our age of progress exactly the opposite is true?

I have taken a wife, I have sold my sovereignty for a dowry. [Lat., Uxorem accepi, dote imperium vendidi.]

Throwing money at problems never solved anything!

I would like to be a philosopher in ancient Athens and a poet in ancient China.