The Master created humans first as the lowest type, most easily formed. Gradually, he replaced them by robots, the next higher step, and finally he created me, to take the place of the last humans.

I stand four-square for reason, and object to what seems to me to be irrationality, whatever the source. If you are on my side in this, I must warn you that the army of the night has the advantage of overwhelming numbers, and, by its very nature, is immune to reason, so that it is entirely unlikely that you and I can win out. We will always remain a tiny and probably hopeless minority, but let us never tire of presenting our view, and of fighting the good fight for the right.

Having reached 451 books as of now doesn't help the situation. If I were to be dying now, I would be murmuring, "Too bad! Only four hundred fifty-one." (Those would be my next-to-last words. The last ones will be: "I love you, Janet.") [They were. -Janet.]

Any planet is 'Earth' to those that live on it.

He always pictured himself a libertarian, which to my way of thinking means "I want the liberty to grow rich and you can have the liberty to starve". It's easy to believe that no one should depend on society for help when you yourself happen not to need such help.

What lasts in the reader's mind is not the phrase but the effect the phrase created: laughter, tears, pain, joy. If the phrase is not affecting the reader, what's it doing there? Make it do its job or cut it without mercy or remorse.

If knowledge can create problems, it is not through ignorance that we can solve them.