"In youth we learn; in age we understand."

"Exceptions are not always the proof of the old rule; they can also be the harbinger of a new one."

"Whenever two good people argue over principles, they are both right."

"Not what we experience, but how we perceive what we experience, determines our fate."

"If you have one good idea, people will lend you twenty."

"Parents forgive their children least readily for the faults they themselves instilled in them."

"None are so eager to gain new experience as those who don't know how to make use of the old ones."

"We are so vain that we even care for the opinion of those we don't care for."

"The poor man wishes to conceal his poverty, and the rich man his wealth: the former fears lest he be despised, the latter lest he be plundered."

"Little evil would be done in the world if evil never could be done in the name of good."

"So soon as a fashion is universal, it is out of date."

"To be content with little is hard; to be content with much, impossible."

"Even a stopped clock is right twice a day."

"We don't believe in rheumatism and true love until after the first attack."

"What delights us in visible beauty is the invisible."

"He who believes in freedom of the will has never loved and never hated."

"Privilege is the greatest enemy of right."