The vast majority of fiction is written to markets and to this damnable business we have nowadays of categorizing everything.

The movers and shakers have always been obsessive nuts.

You write a story about loneliness, and you grab them all because everybody's an expert on that one.

Science fiction, outside of poetry, is the only literary field which has no limits, no parameters whatsoever.

Writing is a communication.

Ninety percent of everything is crap.

Why must we love where the lightning strikes, and not where we choose?

Sure, 90% of science fiction is crud. That's because 90% of everything is crud.

The first writing I did was short short stories for a newspaper syndicate for which I was paid five dollars a piece on publication.

I write a story as if it were a letter to someone and essentially, that's what you do.

Logic and truth are two very different things, but they often look the same to the mind that's performing the logic.

You must not give up in the middle of the journey. May you have grace to travel onward.

If you are filled with pride, then you have no room for wisdom.

Youth is not wasted on the young, it is perpetrated on the young.

Instead of the scream of a fish hawk scaring the fishes, is heard the whistle of the steam-engine, arousing a country to its progress.

Your mental attitude is the most dependable key to your personality.

After a subsequent interview at Brooklyn Poly, I was hired, and life as a fully independent researcher began.

You are certainly one of the joys of life for all who have ever come within a mile of you.

Blessed be Providence which has given to each his toy: the doll to the child, the child to the woman, the woman to the man, the man to the devil!

The undevout astronomer must be mad.