To give thanks in solitude is enough. Thanksgiving has wings and goes where it must go. Your prayer knows much more about it than you do.

Change your opinions, keep to your principles; change your leaves, keep intact your roots.

The ox suffers, the cart complains.

There is no supernatural, there is only nature. Nature alone exists and contains all. All is. There is the part of nature that we perceive, and the part of nature that we do not perceive. ... If you abandon these facts, beware; charlatans will light upon them, also the imbecile. There is no mean: science, or ignorance. If science does not want these facts, ignorance will take them up. You have refused to enlarge human intelligence, you augment human stupidity. When Laplace withdraws Cagliostro appears.

The future has several names. For the weak, it is impossible; for the fainthearted, it is unknown; but for the valiant, it is ideal.

Certain thoughts are prayers. There are moments when, whatever be the attitude of the body, the soul is on its knees.

We need those who pray constantly to compensate for those who do not pray at all.