Obsession is the wellspring of genius and madness.

Since we cannot attain unto it, let us revenge ourselves by railing at it; and yet it is not absolutely railing against anything, to proclaim its defects, because they are in all things to be found, how beautiful or how much to be coveted soever.

We are nearer neighbors to ourselves than the whiteness of snow or the weight of stones are to us: if man does not know himself, how should he know his functions and powers?

The most evident token and apparent sign of true wisdom is a constant and unconstrained rejoicing.

Life in itself is neither good nor evil, it is the place of good and evil, according to what you make it.

To understand via the heart is not to understand.

Nature has with a Motherly Tenderness observed this, that the Action she has enjoyned us for our Necessity should be also pleasant to us, and invites us to them, not only by Reason, but also by Appetite: and ’tis Injustice to infringe her Laws.