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

Tags: #Nature, #Reason, #Mark, #GottfriedLeibniz, #German, #Philosopher

Mini who’s who:

Gottfried Leibniz : German Philosopher
Born:  July 1, 1646
Died:  November 14, 1716