For since it is impossible for a created monad to have a physical influence on the inner nature of another, this is the only way in which one can be dependent on another.

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

When a truth is necessary, the reason for it can be found by analysis, that is, by resolving it into simpler ideas and truths until the primary ones are reached. It is this way that in mathematics speculative theorems and practical canons are reduced by analysis to definitions, axioms and postulates.

To love is to place happiness in the heart of another.

Music is a hidden arithmetic exercise of the soul, which does not know that it is counting.

Each portion of matter may be conceived of as a garden full of plants, and as a pond full of fishes. But each branch of the plant, each member of the animal, each drop of its humors, is also such a garden or such a pond.

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