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

Entrepreneurs
Andrew Carnegie
Born in 1835 to a Scottish weaver, Andrew Carnegie emigrated at twelve, dominated U.S. steel through cost control and vertical integration, sold for $480M in 1901, then gave $350M to libraries and education.
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Andrew Carnegie's Other Quotes
The man who dies rich dies disgraced.
The first man gets the oyster, the second man gets the shell.
Do your duty and a little more, and the future will take care of itself.
Surplus wealth is a sacred trust which its possessor is bound to administer in his lifetime for the good of the community.
No man becomes rich unless he enriches others.
Related Quotes
Talent hits a target no one else can hit; genius hits a target no one else can see.
-- Arthur Schopenhauer
Fear is the disease. Hustle is the antidote.
-- Travis Kalanick
Open the shoji screen and look outside; the world is vast.
-- Sakichi Toyoda
Don't sit down and wait for the opportunities to come. Get up and make them.
-- Madam C. J. Walker
The two most important requirements for major success are: first, being in the right place at the right time, and second, doing something about it.
-- Ray Kroc
Screw it, let's do it.
-- Richard Branson