An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

Man tends to increase at a greater rate than his means of subsistence.

In the long history of humankind (and animal kind too) those who learned to collaborate and improvise most effectively have prevailed.