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

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

“Success does not consist in never making blunders, but in never making the same one a second time.”

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

“Life consists not in holding good cards but in playing those you hold well”

“Don't put off till tomorrow what can be enjoyed today.”

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