"Of all forms of tyranny the least attractive and the most vulgar is the tyranny of mere wealth, the tyranny of plutocracy."

"Spend and be spent."

"Don't hit at all if it is honorably possible to avoid hitting; but never hit soft!"

"Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' - and get busy and find out how to do it."

"Do what you can, with what you have, where you are."

"The only man who never makes a mistake is the man who never does anything."

"Mental toughness is essential to success."

"A man of genius makes no mistakes; his errors are volitional and are the portals of discovery."

"Character is the basis of happiness and happiness the sanction of character."

"If we have need of a strong will in order to do good, it is still more necessary for us in order not to do evil."

"When words leave off, music begins."

"Remember that there is nothing stable in human affairs; therefore avoid undue elation in prosperity, or undue depression in adversity."