Quotes from authors born in 1646
I do not conceive of any reality at all as without genuine unity.
Gottfried Leibniz
I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.
Gottfried Leibniz
It can have its effect only through the intervention of God, inasmuch as in the ideas of God a monad rightly demands that God, in regulating the rest from the beginning of things, should have regard to itself.
Gottfried Leibniz
Music is the pleasure the human mind experiences from counting without being aware that it is counting.
Gottfried Leibniz
It follows from what we have just said, that the natural changes of monads come from an internal principle, since an external cause would be unable to influence their inner being.
Gottfried Leibniz
Jenny McCarthy 
Alphonse de Lamartine 
Benjamin Spock 
Donna Mills 
P. L. Travers 
Johnny Thunders 
Anthony Kiedis 
Curt Weldon Authors born in 1646