Justice is charity in accordance with wisdom.

If you have a clear idea of a soul, you will have a clear idea of a form; for it is of the same genus, though a different species.

There are also two kinds of truths, those of reasoning and those of fact. Truths of reasoning are necessary and their opposite is impossible, and those of fact are contingent and their opposite is possible. When a truth is necessary its reason can be found by analysis, resolving it into more simple ideas and truths until we reach those which are primitive.

The monad, of which we shall speak here, is nothing but a simple substance which enters into compounds; simple, that is to say, without parts.

Every present state of a simple substance is the natural consequence of its preceding state, in such a way that its present is big with its future.

Take what you need, do what you should, you will get what you want.

In whatever manner God created the world, it would always have been regular and in a certain general order. God, however, has chosen the most perfect, that is to say, the one which is at the same time the simplest in hypothesis and the richest in phenomena.