Physician, help yourself: thus help your patient too. Let this be his best help: that he may behold with his eyes the man who heals himself.

Those that achieve anything that looks beyond the vision and thinking of their peers provoke jealousy and hatred disguised as the ordinary.

Examine the life of the best and most productive men and nations, and ask yourselves whether a tree which is to grow proudly skywards can dispense with bad weather and storms. Whether misfortune and opposition, or every kind of hatred, jealousy, stubbornness, distrust, severity, greed, and violence do not belong to the favourable conditions without which a great growth even of virtue is hardly possible?

An artist chooses his subjects: that is the way he praises.

Necessity is not an established fact, but an interpretation.

The wheel and the brake have different duties, but also one in common: to hurt one another.

Faith is the path of least resistance.