Moses Kaldor had always loved mountains; they made him feel nearer to the God whose nonexistence he still sometimes resented.

Science fiction seldom attempts to predict the future. More often than not, it tries to prevent the future.

Any technology distinguishable from magic is insufficiently advanced.

Sometimes a decision has to be made by a single individual, who has the authority to enforce it. That's why you need a captain. You can't run a ship by a committee-at least not all the time.

I'm quite fond of the writer who told a beginning author, "If you've got a message, use Western Union."

Civilization will reach maturity only when it learns to value diversity of character and of ideas.

Our own grandchildren may demonstrate that-sometimes- Gigantic is Beautiful.