"THE GREATER PART OF MEN ARE MUCH TOO EXHAUSTED AND ENERVATED BY THEIR STRUGGLE WITH WANT TO BE ABLE TO ENGAGE IN A NEW AND SEVERE...

"CONSTANT AND FREQUENT QUESTIONING IS THE FIRST KEY TO WISDOM … FOR THROUGH DOUBTING WE ARE LED TO INQUIRE, AND BY INQUIRY WE PERCEIVE...

"MAN—EVERY MAN—IS AN END IN HIMSELF, NOT A MEANS TO THE ENDS OF OTHERS; HE MUST LIVE FOR HIS OWN SAKE, NEITHER SACRIFICING HIMSELF TO...

"EVERYTHING THAT IS POSSIBLE DEMANDS TO EXIST." GOTTFRIED WILHELM LEIBNIZ GOTTFRIED WILHELM LEIBNIZ WAS A GERMAN POLYMATH ACTIVE AS A...