Knowledge has two extremes. The first is the pure natural ignorance in which all men find themselves at birth. The other extreme is that reached by great minds, who, having run through all that men can know, find they know nothing, and come back again to that same natural ignorance from which they set out; this is a learned ignorance which is conscious of itself.

We know then the existence and nature of the finite, because we also are finite and have extension. We know the existence of the infinite and are ignorant of its nature, because it has extension like us, but not limits like us. But we know neither the existence nor the nature of God, because he has neither extension nor limits.

Which is the more believable of the two, Moses or China?

Unable to make what is just strong, we have made what is strong just.

Truly it is an evil to be full of faults; but it is a still greater evil to be full of them and to be unwilling to recognize them, since that is to add the further fault of a voluntary illusion.

The consciousness of the falsity of present pleasures, and the ignorance of the vanity of absent pleasures, cause inconstancy.

Clarity of mind means clarity of passion, too.