"Ambition is your inner voice that tells you, you can, and should, strive to go beyond your circumstances or situation in life."

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So long as the man with ambition is a failure, the world will tell him to let go of his ideal; but when his ambition is realized, the world will praise him for the persistence and the determination that he manifested during his dark hours, and everybody will point to his life as an example for coming generations. This is invariably the rule. Therefore pay no attention to what the world says when you are down. Be determined to get up, to reach the highest goal you have in view, and you will.

— Christian D. Larson