It is worth noting that the notation facilitates discovery. This, in a most wonderful way, reduces the mind's labour.

There are two famous labyrinths where our reason very often goes astray. One concerns the great question of the free and the necessary, above all in the production and the origin of Evil. The other consists in the discussion of continuity, and of the indivisibles which appear to be the elements thereof, and where the consideration of the infinite must enter in.

I do not conceive of any reality at all as without genuine unity.

Nothing is accomplished all at once, and it is one of my great maxims, and one of the most completely verified, that Nature makes no leaps: a maxim which I have called the law of continuity.

It is a good thing to proceed in order and to establish propositions. This is the way to gain ground and to progress with certainty.

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.

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