Your past mistakes don't define your future accomplishments.

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There will be obstacles. There will be doubters. There will be mistakes. But with hard work, there are no limits. —  Michael Phelps

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I can't even say I made my own mistakes. Really - one has to ask oneself - what dignity is there in that?

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When you have exhausted all possibilities, remember this: you haven’t. — Thomas A. Edison

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Enthusiasm is common. Endurance is rare. — Angela Duckworth

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It’s not stress that kills us, it is our reaction to it. . . Adopting the right attitude can convert a negative stress into a positive one. — Hans Selye

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I was never really insane except upon occasions when my heart was touched. ― Edgar Allan Poe

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You build on failure. You use it as a stepping stone. Close the door on the past. You don't try to forget the mistakes, but you don't dwell on it. You don't let it have any of your energy, or any of your time, or any of your space. -Johnny Cash

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Believe you can and you’re halfway there. ― Theodore Roosevelt

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I wouldn’t be where I am now if I didn’t fail… a lot. The good, the bad, it’s all part of the success equation. – Mark Cuban

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