There are also two kinds of truths: truth of reasoning and truths of fact.

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

Reality cannot be found except in One single source, because of the interconnection of all things with one another.

When God works miracles, he does not do it in order to supply the wants of nature, but those of grace. Whoever thinks otherwise, must needs have a very mean notion of the wisdom and power of God.

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

He who hasn't tasted bitter things hasn't earned sweet things.

Indeed in general I hold that there is nothing truer than happiness, and nothing happier and sweeter than truth.