10 Daily Habits of Exceptionally Happy People

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"I will not let the past control my future."

Mistakes are valuable. Learn from them. Then let them go. Easier said than done? It all depends on your perspective. When something goes wrong, turn it into an opportunity to learn something you didn't know -- especially about yourself. When something goes wrong for someone else, turn it into an opportunity to be gracious, forgiving, and understanding. The past is just training. The past should definitely inform but in no way define you -- unless you let it.