Any argument that asserts that 'God did it' is a sign of a lazy mind.

Chemistry begins in the stars. The stars are the source of the chemical elements, which are the building blocks of matter and the core of our subject.

I regard teaching religion as purveying lies.

The emergence of consciousness, like the unfolding of a leaf, relies upon restraint.

Truth is not arrived at by majority vote.

Science is almost totally incompatible with religion.

My aim is to argue that the universe can come into existence without intervention, and that there is no need to invoke the idea of a Supreme Being in one of its numerous manifestations.

[Religion is] a fantasy [and is] completely empty of any explanatory content. It is also evil.

It is not possible to be intellectually honest and believe in gods. And it is not possible to believe in gods and be a true scientist.

Don’t worry if people think you’re crazy. You are crazy. You have that kind of intoxicating insanity that lets other people dream outside of the lines and become who they’re destined to be.

Tale-bearers are as bad as the tale-makers.

Knowledge is silver. Outlook is gold. IQ is a lead weight.

One of the proudest things of my three years in office is helping to restore a sense of respect for America around the world.

The only time an Australian ever walks is when his car runs out of petrol.

There is more to joy than looking only for affirmation; refusing to be challenged is the only bigotry.

Becoming yourself is really hard and confusing, and it's a process. It's often not cool to be the person who puts themselves out there.

My life is based on change. What I say is OK for the next ten minutes, then I change my mind.

There is a social responsibility to take care of vulnerable people. It seems that a sensible social responsibility is obligatory education, but also decent education, and that is not happening.

The capacity of the human mind for swallowing nonsense and spewing it forth in violent and repressive action has never yet been plumbed.