"The monads are inextinguishable and indestructible."

"I do not believe that a world without evil, preferable in order to ours, is possible; otherwise it would have been preferred. It is necessary to believe that the mixture of evil has produced the great…"

"The present is big with the future."

"For since it is impossible for a creature to be perfect, the universe would be even less perfect if it contained only perfect creatures."

"I am convinced that the unwritten knowledge scattered among men of different callings surpasses in quantity and in importance anything we find in books, and that the greater part of our wealth has yet…"