Man needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.

Man needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.

I've made an odd discovery. Every time I talk to a savant I feel quite sure that happiness is no longer a possibility. Yet when I talk with my gardener, I'm convinced of the opposite.

No one gossips about other people's secret virtues.

Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.

It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.