The only sensible person is my tailor. He measures me anew each time he sees me.

Youth is just wasted on young people.

I ... must continue to strive for more knowledge and more power, though the new knowledge always contradicts the old and the new power is the destruction of the fools who misuse it.

No sooner had Jesus knocked over the dragon of superstition than Paul boldly set it on its legs again in the name of Jesus.

The natural term of the affection of the human animal for its offspring is six years.

There may be some doubt as to who are the best people to have charge of children, but there can be no doubt that parents are the worst.

My own education has been entirely controversial: that is why I know what I am writing about; and appear eccentric to dogmatically educated Old School Ties whose heads are stuffed with obsolete shibboleths.