Luck is a dividend of sweat. The more you sweat, the luckier you get.

Entrepreneurs
Ray Kroc
Born in 1902 in Oak Park, a suburb of Chicago. At 52, Ray Kroc encountered the McDonald brothers' hamburger stand, secured the franchise rights, and built a system that standardized Quality, Service, Cleanliness, and Value (QSC&V). He transformed a single regional restaurant into the world's largest fast-food chain. A late bloomer who preached that 'success in business comes down to whether you keep sweating.'
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Ray Kroc's Other Quotes
If you work just for money, you'll never make it, but if you love what you're doing and you always put the customer first, success will be yours.
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.
Press on. Nothing in the world can take the place of persistence.
None of us is as good as all of us.
Related Quotes
If you accomplish something good with hard work, the labour passes quickly, but the good endures; if you do something shameful in pursuit of pleasure, the pleasure passes quickly, but the shame endures.
-- Gaius Musonius Rufus
If you carve without ceasing, even metal and stone can be engraved.
-- Xunzi
Early to bed and early to rise, makes a man healthy, wealthy, and wise.
-- Benjamin Franklin
Diligence is the mother of good luck.
-- Benjamin Franklin
Do your duty and a little more, and the future will take care of itself.
-- Andrew Carnegie
If you are born poor it's not your mistake, but if you die poor it's your mistake.
-- Bill Gates