“It's not only the most difficult thing to know one's self, but the most inconvenient.”

“The trouble with most folks isn't their ignorance. It's knowin' so many things that ain't so.”

“Every man has his follies and often they are the most interesting thing he has got.”

“Consider the postage stamp: its usefulness consists in the ability to stick to one thing till it gets there.”

“About the most originality that any writer can hope to achieve honestly is to steal with good judgment.”

“A dog is the only thing on earth that loves you more than he loves himself.”

“Be like a postage stamp. Stick to one thing until you get there.”