"Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see."

"If you have made a mistake, cut your losses as quickly as possible."

"Old age is always fifteen years older than I am."

"Never answer a critic, unless he's right."

"Before you contradict an old man, my fair friend, you should endeavor to understand him."

"Age isa€|wisdom, if one has lived one's life properly."

"Young men's minds are always changeable, but when an old man is concerned in a matter, he looks both before and after."

"As we grow olda€|the beauty steals inward."

"A person is always startled when he hears himself seriously called an old man for the first time."

"An old doting fool, with one foot already in the grave."