"I have looked upon the world for four times seven years; and since I could distinguish betwixt a benefit and an injury, I never found a man that knew how to love himself... 'Tis in ourselves that we are thus or thus. Our bodies are gardens, to the which our wills are gardeners; so that if we will plant nettles, or sow lettuce, set hyssop and weed up thyme, supply it with one gender of herbs, or district it with many, either to have it sterile with idleness, or manured with industry, why, the power and the corrigible authority of this lies in our wills."

-WILLIAM SHAKESPEARE,
Othello