If we could imagine such a man, that is a man who could invent the fly and send him out on his mission and furnish him with his orders: Depart into the uttermost corners of the earth and, diligently do your appointed work. Persecute the sick child, settle upon its eyes, its face, its hands, and gnaw and pester and sting, worry and fret and madden the worn and tried mother who watches by the child and humbly prays for mercy and relief with the pathetic faith of the deceived and the unteachable.

It's better to be an optimist who is sometimes wrong than a pessimist who is always right

The trouble ain't that there is too many fools, but that the lightning ain't distributed right.

Continuous improvement is better than delayed perfection.

But old fools is the biggest fools there is.

Jesus died to save men - a small thing for an immortal to do - and didn't save many, anyway. But if he had been damned for the race, that would have been act of a size proper to a god, and would have saved the whole race.

Wit is the sudden marriage of ideas which before their union were not perceived to have any relation.