If we do not discipline ourselves the world will do it for us.

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Success seems to be largely a matter of hanging on after others have let go

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Back of ninety-nine out of one-hundred assertions that a thing cannot be done is nothing, but the unwillingness to do it.

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Some of us might find happiness if we quit struggling so desperately for it.

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Concentrate on your job and you will forget your other troubles.

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Few of us get anything without working for it.

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Politeness is an inexpensive way to make friends.

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Here is the secret of inspiration: Tell yourself that thousands and tens of thousands of people, not very intelligent and certainly no more intelligent than the rest of us, have mastered problems as difficult as those that now baffle you.

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Conditions are never just right. People who delay action until all factors are favourable do nothing.

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The tragedy is that so many have ambition and so few have ability

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