"We are all born ignorant, but one must work hard to remain stupid. "

"Whatever is begun in anger ends in shame. "

"He that is good for making excuses is seldom good for anything else. "

"I conceive that the great part of the miseries of mankind are brought upon them by false estimates they have made of the value of things. "

"In this world nothing can be said to be certain, except death and taxes. "

"He that is of the opinion money will do everything may well be suspected of doing everything for money. "

"It takes many good deeds to build a good reputation, and only one bad one to lose it. "

"Diligence is the mother of good luck. "

"It is only when the rich are sick that they fully feel the impotence of wealth. "

"Wealth is not his that has it, but his that enjoys it. "

"The art of acting consists in keeping people from coughing "

"Some people die at 25 and aren't buried until 75. "

"Savages we call them because their manners differ from ours. "

"Nine men in ten are would be suicides. "

"The Constitution only gives people the right to pursue happiness. You have to catch it yourself. "

"When you're finished changing, you're finished. "

"Tricks and treachery are the practice of fools, that don't have brains enough to be honest. "

"Who had deceived thee so often as thyself? "

"Guests, like fish, begin to smell after three days. "

"If you know how to spend less than you get, you have the philosopher's stone. "

"He that can have patience can have what he will. "

"Three can keep a secret, if two of them are dead "

"For having lived long, I have experienced many instances of being obliged, by better information or fuller consideration, to change opinions, even on important subjects, which I once thought right but found to be otherwise. "

"I didn't fail the test, I just found 100 ways to do it wrong. "

"As we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours, and this we should do freely and generously. "