The main discomfort in being a middle-of-the-roader is that you get sideswiped by partisans going in both directions.

It wants to be, and proclaims itself to be, 'the greatest', but greatness is not required of a country; only goodness is.

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

Enemies, as well as lovers, come to resemble each other over a period of time.

Good teaching must be slow enough so that it is not confusing, and fast enough so that it is not boring.

Those obsessed with health are not healthy; the first requisite of good health is a certain calculated carelessness about oneself.

The best combination of parents consists of a father who is gentle beneath his firmness, and a mother who is firm beneath her gentleness.