Despite all that education and experience can do, I retain a certain level of unsophistication that I cannot eradicate and that my friends find amusing. In fact, I think I sometimes detect conspiratorial plottings among my friends to protect me against my own lack of sophistication. I don't mind. I suspect that I am never quite as unsophisticated as they think I am, but I don't mind.

There is an art to science, and a science in art; the two are not enemies, but different aspects of the whole.

It seems to me that God is a convenient invention of the human mind

Radiation, unlike smoking, drinking, and overeating, gives no pleasure, so the possible victims object.

The final end of Eternity, and the beginning of Infinity

Intuition is the art, peculiar to the human mind, of working out the correct answer from data that is, in itself, incomplete or even, perhaps, misleading.

It's just science fiction so it's allowed to be silly, and childish, and stupid. It's just science fiction, so it doesn't have to make sense. It's just science fiction, so you must ask nothing more of it than loud noises and flashing lights.