Anyone who writes down to children is simply wasting his time. You have to write up, not down. Children are demanding. They are the most attentive, curious, eager, observant, sensitive, quick, and generally congenial readers on earth.... Children are game for anything. I throw them hard words and they backhand them across the net.

Why is it, do you suppose, that an Englishman is unhappy until he has explained America?

Computing machines perhaps can do the work of a dozen ordinary men, but there is no machine that can do the work of one extraordinary man.

I have one share in corporate Earth, and I am nervous about the management.

I don't know which is more discouraging, literature or chickens.

Don't write about Man; write about a man.

Government is the thing. Law is the thing. Not brotherhood, not international cooperation, not security councils that can stop war only by waging it... Where does security lie, anyway - security against the thief, a bad man, the murderer? In brotherly love? Not at all. It lies in government.