Now, as there is an infinity of possible universes in the Ideas of God, and as only one of them can exist, there must be a sufficient reason for God's choice, which determines him toward one rather than another. And this reason can be found only in the fitness, or the degrees of perfection, that these worlds contain, since each possible thing has the right to claim existence in proportion to the perfection it involves.
Gottfried LeibnizThere is nothing waste, nothing sterile, nothing dead in the universe; no chaos, no confusions, save in appearance.
Gottfried LeibnizI hold that it is only when we can prove everything we assert that we understand perfectly the thing under consideration.
Gottfried LeibnizPhilosophy consists mostly of kicking up a lot of dust and then complaining that you can't see anything.
Gottfried Leibniz