To do easily what is difficult for others is the mark of talent.

Self-interest is an inexhaustible source of convenient illusions. The number of beings who wish to see truly is extraordinarily small.

The mind must have for ballast the clear conception of duty, if it is not to fluctuate between levity and despair.

Man is saved by love and duty, and by the hope that springs from duty, or rather from the moral facts of consciousness, as a flower springs from the soil.

True love is that which ennobles the personality, fortifies the heart, and sanctifies the existence.

Mother of Marvels, mysterious and tender Nature, why do we not live more in thee.

Destiny has two ways of crushing us - by refusing our wishes and by fulfilling them.