Only evil grows of itself, while for goodness we want effort and courage.

When everything has its proper place in our minds, we are able to stand in equilibrium with the rest of the world.

Common sense is the measure of the possible; it is composed of experience and prevision; it is calculation applied to life.

To be misunderstood even by those whom one loves is the cross and bitterness of life. It is the secret of that sad and melancholy smile on the lips of great men which so few understand.

To learn new habits is everything, for it is to reach the substance of life. Life is but a tissue of habits.

Every living being seeks instinctively to complete itself.

The fire which enlightens is the same fire which consumes.