"People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents."

"The average person puts only 25% of his energy and ability into his work. The world takes off its hat to those who put in more than 50% of their capacity, and stands on its head for those few and far between souls who devote 100%."

"Surplus wealth is a sacred trust which its possessor is bound to administer in his lifetime for the good of the community."

"Think of yourself as on the threshold of unparalleled success. A whole, clear, glorious life lies before you. Achieve! Achieve!"

"Immense power is acquired by assuring yourself in your secret reveries that you were born to control affairs."

"Concentration is my motto - first honesty, then industry, then concentration."

"All honor's wounds are self-inflicted."

"No man will make a great leader who wants to do it all himself or get all the credit for doing it."

"I shall argue that strong men, conversely, know when to compromise and that all principles can be compromised to serve a greater principle."

"And while the law of competition may be sometimes hard for the individual, it is best for the race, because it ensures the survival of the fittest in every department."

"Concentrate your energies, your thoughts and your capital. The wise man puts all his eggs in one basket and watches the basket."

"No person will make a great business who wants to do it all himself or get all the credit."

"You must capture and keep the heart of the original and supremely able man before his brain can do its best."

"There is no class so pitiably wretched as that which possesses money and nothing else."

"The 'morality of compromise' sounds contradictory. Compromise is usually a sign of weakness, or an admission of defeat. Strong men don't compromise, it is said, and principles should never be compromised."

"There is little success where there is little laughter."

"Do not look for approval except for the consciousness of doing your best."

"The man who acquires the ability to take full possession of his own mind may take possession of anything else to which he is justly entitled."

"The first man gets the oyster, the second man gets the shell."

"He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave."

"I would as soon leave my son a curse as the almighty dollar."

"As I grow older, I pay less attention to what men say. I just watch what they do."

"Every act you have ever performed since the day you were born was performed because you wanted something."

"Do your duty and a little more and the future will take care of itself."

"The men who have succeeded are men who have chosen one line and stuck to it."