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 encumbered with your old nonsense.
The most difficult subjects can be explained to the most slow- witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him.
From the grasses in the field to the stars in the sky, each one is doing just that; and there is such profound peace and surpassing beauty in nature because none of these tries forcibly to transgress its limitations.