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

Robots do not hold on to life. They can't. They have nothing to hold on with - no soul, no instinct. Grass has more will to live than they do.

If one must fight or create, it is necessary that this be preceded by the broadest possible knowledge.

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.

Let no one think that real gardening is a bucolic and meditative occupation. It is an insatiable passion, like everything else to which a man gives his heart.

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

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