Up to one's last breath, one may retain the simple joys of childhood, the poetic ecstasies of the young person, the enthusiasms of maturity. Right to the end, one may intoxicate one's spirit with flowers, with beauty and with smiles.

What is more absurd and more impious than to attribute the name of Lucifer to the devil, that is, to personified evil. The intellectual Lucifer is the spirit of intelligence and love; it is the paraclete, it is the Holy Spirit, while the physical Lucifer is the great agent of universal magnetism.

Everything is possible to him who wills only what is true! Rest in Nature, study, know, then dare; dare to will, dare to act and be silent!

When one creates phantoms for oneself, one puts vampires into the world, and one must nourish these children of a voluntary nightmare with one's blood, one's life, one's intellegence, and one's reason, without ever satisfying them.

An iron chain is less difficult to break than a chain of flowers.

One can only define the unknown by its supposed and supposable relations with the known.

Weak people talk and do not act, strong people act and keep quiet.