When malice has reason on its side, it looks forth bravely, and displays that reason in all its luster. When austerity and self-denial have not realized true happiness, and the soul returns to the dictates of nature, the reaction is fearfully extravagant.

The best defense against logic is ignorance.

I am in the utmost perplexity, yand have wished a hundred times, that if there is a A God, nature would manifest him without ambiguity, and that if there is not, every imaginary sign of his existence might vanish : in short, let nature speak distinctly, or be totally silent, and I shall know what course to take.

Good deeds, when concealed, are the most admirable.

Nature has some perfections to show that she is the image of God, and some defects to show that she is only His image.

Discourses on humility are a source of pride in the vain and of humility in the humble.

The two principles of truth, reason and senses, are not only both not genuine, but are engaged in mutual deception. The senses deceive reason through false appearances, and the senses are disturbed by passions, which produce false impressions.