In a tough situation, don't avoid acting just because it's easier or comfortable. Don't lapse into a passive state. People who give up, die.

It was getting the results that made science worth doing; the accolades were a thin, secondary pleasure.

Once you've grown up in space, moving on means moving out, not going back to Earth. Nobody wants to be a groundpounder.

When the chemistry is right, all the experiments work.

(Crank theories) always violated the first rule of a scientific model: they were uncheckable.

People fear their hidden selves, afraid that they will burst out.

Any technology that does not appear magical is insufficiently advanced.

To shine is better than to reflect.

Passion is inversely proportional to the amount of real information available

Science is like literature, a continuing dialog among diverse and conflicting voices, no one ever wholly right or wholly wrong, but a steady conversation forever provisional and personal and living.

I don't get even, I get odder.

She saw and marked the revolutions that had been, and the present seemed to her only a point of rest, from which time was to renew his flight.

Theology should be a discourse that helps the sociopolitical approach to justice to maintain its human face and not to become impersonal.

Curiosity is the hair of our habit tending to stand on end. It rarely happens that our attention is not stained in greater or lesser degree by this animal element.

Make big commitments, keep them, and never offer reasons when you don't make things happen.

Lloyd George is a one-eyed fellow in blinkers.

Women are terrified of their sexuality because they've got so much of it, and we live in a society that says they don't.

I went over the heads of the things a man reckons desirable. No doubt invisibility made it possible to get them, but it made it impossible to enjoy them when they are got.

In your hands or that of any other person, so much power would, no doubt, be dangerous. I am the only man in the world whom it would be safe to trust with it. Remember, I am a prophet!

I don't settle. That's how I am.

If I were fierce, and bald, and short of breath,I'd live with scarlet Majors at the Base,And speed glum heroes up the line of death.