“What a pity human beings can't exchange problems. Everyone knows exactly how to solve the other fellow's.”

“You probably wouldn’t worry about what people think of you if you could know how seldom they do.”

“If you realize you aren't so wise today as you thought you were yesterday, you're wiser today.”

“One of the best things people could do for their descendants would be to sharply limit the number of them.”

“It's far easier to forgive an enemy after you've got even with him.”

“If you want to make an easy job seem mighty hard, just keep putting off doing it.”

“Crazy people never seem to get better, so everyone needs to know what could be a potential problem down the line.”