Quite obviously a cat trusts human beings; but she doesn't trust another cat because she knows better than we do.

Much melancholy has devolved upon mankind, and it is detestable to me that might will triumph in the end...

It was a great thing to be a human being. It was something tremendous. Suddenly I'm conscious of a million sensations buzzing in me like bees in a hive. Gentlemen, it was a great thing.

I certainly don't know if you could claim that every theft is wrong, but I'll prove to you that every theft is forbidden, by simply locking you up.

If dogs could talk, perhaps we would find it as hard to get along with them as we do with people.

My dear Miss Glory, Robots are not people. They are mechanically more perfect than we are, they have an astounding intellectual capacity, but they have no soul.

Man will never be enslaved by machinery if the man tending the machine be paid enough.