"If a man does not make new acquaintances as he advances through life, he will soon find himself alone. A man should keep his friendships in constant repair."

"He is a benefactor of mankind who contracts the great rules of life into short sentences, that may be easily impressed on the memory, and so recur habitually to the mind."

"Hope itself is a species of happiness, and perhaps, the chief happiness which this world affords."

"You teach your daughters the diameters of the planets and wonder when you are done that they do not delight in your company."

"Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance."

"Americans are a race of convicts and ought to be thankful for anything we allow them short of hanging."

"If at first you don't succeed, failure may be your thing."

"It's not practice that makes perfect....but perfect practice that makes perfect."

"Aim at the sun, and you may not reach it; but your arrow will fly far higher than if aimed at an object on a level with yourself."

"I did not attend his funeral, but I wrote a nice letter saying I approved it."

"Middle age is when your age starts to show around the middle."

"Focus 90% of your time on solutions and only 10% of your time on problems."