The end of living is the true enjoyment of it.

Besides the noble art of getting things done, there is the noble art of leaving things undone. The wisdom of life consists in the elimination of non-essentials.

Men resort to talking only when they haven't the power to enforce their convictions upon others.

After all the allowances are made for the necessity of having a few supermen in our midst - explorers, conquerors, great inventors, great presidents, heroes who change the course of history - the happiest man is still the man of the middle class who has earned a slight means of economic independence, who has done a little, but just a little, for mankind and who is slightly distinguished in his community, but not too distinguished.

Life is too short to make an over-serious business out of it.

We should not expect people to be good, but should make it impossible for them to be bad.

Probably the difference between man and the monkeys is that the monkeys are merely bored, while man has boredom plus imagination.