“All things in God are spontaneous.”

Although the whole of this life were said to be nothing but a dream and the physical world nothing but a phantasm, I should call this dream or phantasm real enough, if, using reason well, we were never deceived by it.

Now this connection or adaption of all created things with each, and of each with all the rest, means that each simple substance has relations which express all the others, and that consequently it is a perpetual living mirror of the universe.

One cannot explain words without making incursions into the sciences themselves, as is evident from dictionaries; and, conversely, one cannot present a science without at the same time defining its terms.

There is nothing waste, nothing sterile, nothing dead in the universe; no chaos, no confusions, save in appearance.

The greatness of a life can only be estimated by the multitude of its actions. We should not count the years, it is our actions which constitute our life.

Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, and true that which is opposed or contradictory to the false.

Music is a secret and unconscious mathematical problem of the soul.

Every mind has a horizon in respect to its present intellectual capacity but not in respect to its future intellectual capacity.

He who understands Archimedes and Apollonius will admire less the achievements of the foremost men of later times.

There is nothing without a reason.

Thus God alone is the primary Unity, or original simple substance, from which all monads, created and derived, are produced.

God’s relation to spirits is not like that of a craftsman to his work, but also like that of a prince to his subjects.

Virtue is the habit of acting according to wisdom.

There is a certain destiny of everything, regulated by the foreknowledge and providence of God in His works.

The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic.

We may say, that not only the soul (the mirror of an indestructible universe) is indestructible, but also the animal itself is, although its mechanism is frequently destroyed in parts.

If you’ve been full of error and defeat, be done with it. Say, “By God’s grace, I’m done with it,” and take charge of yourself like never before.”

Do you understand that it’s impossible to please God in any way other than wholehearted surrender?

War is God’s way of teaching Americans geography.

The great thing about faith in God is that it keeps a man undisturbed in the midst of disturbance.

As our Father makes many a flower to bloom unseen in the lonely desert, [let us] do all that we can do, as under God’s eye, though no other eye ever take note of it.

Nothing is so offensive to Christ as lukewarmness in religion.

God is not saving the world; it is done. Our business is to get men and women to realize it.

There is a divine purpose behind everything – and therefore a divine presence in everything.