Finish each day and be done with it. You have done what you could. Some blunders and absurdities no doubt crept in; forget them as soon as you can. Tomorrow is a new day; begin it well and serenely and with too high a spirit to be cumbered with your old nonsense.

Ralph Waldo Emerson 1803
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10 Common Mistakes That Prevent You From Being Happy and Healthy Today, Backed by Science