Nothing shows a man's character more than what he laughs at. ― Goethe

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Real knowledge is to know the extent of one's ignorance.

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The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. ― George Bernard Shaw

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Everyone thinks of changing the world, but no one thinks of changing himself.

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A fool thinks himself to be wise, but a wise man knows himself to be a fool. - William Shakespeare

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When a man is denied the right to live the life he believes in, he has no choice but to become an outlaw. ― Nelson Mandela

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Success depends upon previous preparation, and without such preparation, there is sure to be failure.

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No man is hurt but by himself. -Diogenes

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The reasonable man adapts himself to the world; the unreasonable one persists to adapt the world to himself. Therefore all progress depends on the unreasonable man.

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Every man is a damn fool for at least five minutes every day; wisdom consists in not exceeding the limit. ― Elbert Hubbard

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