“Erudition can produce foliage without bearing fruit.”

“One's first step in wisdom is to question everything - and one's last is to come to terms with everything”

“To read means to borrow; to create out of one's readings is paying off one's debts”

“The human tendency to regard little things as important has produced very many great things”

“All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it”

“The world loves a spice of wickedness”