There are two kinds of fools: one says, 'This is old, therefore it is good'; the other says, 'This is new, therefore it is better.'

We have enslaved the rest of the animal creation, and have treated our distant cousins in fur and feathers so badly that beyond doubt, if they were able to for…

Civilization is a disease which is almost invariably fatal.

Worry is interest paid on a trouble before it is due.