For, above all, I hold a notion of possibility and necessity according to which there are some things that are possible, but yet not necessary, and which do not really exist. From this it follows that a reason that always forces a free mind to choose one thing over another (whether that reason derives from the perfection of a thing, as it does in God, or from our imperfection) does not eliminate our freedom.
Gottfried LeibnizImaginary numbers are a fine and wonderful refuge of the divine spirit almost an amphibian between being and non-being.
Gottfried LeibnizTo love is to take delight in happiness of another, or, what amounts to the same thing, it is to account another's happiness as one's own.
Gottfried Leibniz