Hal Clement quotes:

Maybe we've been taking nova precautions for a red dwarf.

The captain, thinking over this event afterward, realized that by his own lifelong standards he had a crew composed entirely of lunatics, with himself well to the front in degree of aberration; but he was fairly sure that this particular form of insanity was going to be useful.

What's the use of a high school education if you can't recall it when needed later on?

Speculation is perfectly all right, but if you stay there you've only founded a superstition. If you test it, you've started a science.

Human beings are prone to believe the things they wish were true.

I want to know why a fire glows, and why flame dust kills. I want my children or theirs...to know what makes this radio work,...and someday this rocket. I want to know much-more than I can learn, no doubt; but if I can start my people learning for themselves...

No one likes to be watched constantly by someone he can't see.

Some things are to hard to believe, however entertaining they might be to hear or read.