Adults find pleasure in deceiving a child. They consider it necessary, but they also enjoy it. The children very quickly figure it out and then practice deception themselves.

The planet's survival has become so uncertain that any effort, any thought that presupposes an assured future amounts to a mad gamble.

Whenever you observe an animal closely, you feel as if a human being sitting inside were making fun of you.

People love as self-recognition what they hate as an accusation.

In five minutes the earth would be a desert, and you cling to books.

Of all the words in all languages I know, the greatest concentration is in the English word I.

Pessimists are not boring. Pessimists are right. Pessimists are superfluous.