We have an idea of truth, invincible to all scepticism.

Passion cannot be beautiful without excess; one either loves too much or not enough.

We view things not only from different sides, but with different eyes; we have no wish to find them alike.

All the maxims have been written. It only remains to put them into practice.

The art of subversion, of revolution, is to dislodge established customs by probing down to their origins in order to show how they lack authority and justice.

Nothing is so important to man as his own state; nothing is so formidable to him as eternity. And thus it is unnatural that thereshould be men indifferent to the loss of their existence and to the perils of everlasting suffering.

As we speak of poetical beauty, so ought we to speak of mathematical beauty and medical beauty. But we do not do so; and that reason is that we know well what is the object of mathematics, and that it consists in proofs, and what is the object of medicine, and that it consists in healing. But we do not know in what grace consists, which is the object of poetry.