Whatsoever is, is in God, and without God nothing can be, or be conceived.

There is no hope unmingled with fear, and no fear unmingled with hope.

Nothing in the universe is contingent, but all things are conditioned to exist and operate in a particular manner by the necessity of the divine nature.

Desire is the very essence of man.

I do not know how to teach philosophy without becoming a disturber of established religion.

True virtue is life under the direction of reason.

Will and intellect are one and the same thing.

Fame has also this great drawback, that if we pursue it, we must direct our lives so as to please the fancy of men.

God is the indwelling and not the transient cause of all things.

If you want the present to be different from the past, study the past.

Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words.

Whatsoever is contrary to nature is contrary to reason, and whatsoever is contrary to reason is absurd.

One and the same thing can at the same time be good, bad, and indifferent, e.g., music is good to the melancholy, bad to those who mourn, and neither good nor bad to the deaf.

He alone is free who lives with free consent under the entire guidance of reason.

None are more taken in by flattery than the proud, who wish to be the first and are not.

Nothing exists from whose nature some effect does not follow.

Only that thing is free which exists by the necessities of its own nature, and is determined in its actions by itself alone.

Peace is not the absence of war, but a virtue based on strength of character.

Pride is pleasure arising from a man's thinking too highly of himself.

Self-complacency is pleasure accompanied by the idea of oneself as cause.