One man is kind because it gives him pleasure to be kind, just as another is cruel because cruelty pleases him.

A great man does his duty because to him the sense of duty done is a deeper delight than would be the case resulting from avoidance of duty.

The religious man is religious because he finds a joy in religion; the moral man moral because with his strong self-respect, viciousness would mean wretchedness.

Self- sacrifice itself is only a subtle selfishness: we prefer the mental exaltation gained thereby to the sensual gratification which is the alternative reward.

Man cannot be anything else but selfish.