I've come to believe that each of us has a personal calling that's as unique as a fingerprint - and that the best way to succeed is to discover what you love and then find a way to offer it to others in the form of service, working hard, and also allowing the energy of the universe to lead you.
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.
And, indeed, what little of beauty and peace is to be found in the societies of men is owing to the daily performance of small duties, not to big doings and fine talk.
Anger is the real destroyer of our good human qualities; an enemy with a weapon cannot destroy these qualities, but anger can. Anger is our real enemy.