"It is not a lack of love, but a lack of friendship that makes unhappy marriages."

"Every talent must be paid for. One pays for it always, whether one has it or not, with a long and painful struggle."

"The strongest and most evil spirits have so far advanced humanity the most: they have always rekindled the slumbering passions."

"There is an innocence in lying which is the sign of good faith in a cause."

"The future of man is a great wager."