The moment you say 'this is enough' is the moment decline begins.
もうこれで満足だという時は、すなわち衰える時である。

Entrepreneurs
Shibusawa Eiichi
Born in 1840, Eiichi Shibusawa became "Father of Japanese Capitalism," founding 500+ firms yet refusing zaibatsu. His Analects and the Abacus unites morality and commerce. His portrait graces the new yen note.
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Shibusawa Eiichi's Other Quotes
What is the root of wealth? Benevolence and moral principle. Unless grounded in right reason, wealth cannot endure.
Each of us carries a heaven-sent mission; living joyfully in pursuit of that calling is the first requirement of a well-lived life.
Trust is paramount in business. To earn the world's trust, you must first trust the world.
At forty or fifty you are still a novice; at sixty or seventy you hit your stride. If death knocks at ninety, tell it to wait until a hundred.
Related Quotes
Life is an unfoldment, and the further we travel the more truth we can comprehend.
-- Hypatia
Blue dye is extracted from the indigo plant, yet it is bluer than indigo itself.
-- Xunzi
We survive through adversity and perish through comfort.
-- Mencius
What does not kill me makes me stronger.
-- Friedrich Nietzsche
Do your duty and a little more, and the future will take care of itself.
-- Andrew Carnegie
Curiosity is the driving force behind corporate growth.
-- Akio Morita