Ralph Waldo Emerson (May 25, 1803 – April 27, 1882) was an American essayist, lecturer, philosopher, and poet who led the transcendentalist movement of the mid-19th century. He was seen as a champion of individualism and a prescient critic of the countervailing pressures of society, and he disseminated his thoughts through dozens of published essays and more than 1,500 public lectures across the United States.
You may find more from Ralph Waldo Emerson on Wikiquote
Finish every day and be done with it. You have done what you could; some blunders and absurdities crept in; forget them as soon as you can. Tomorrow is a new day. You shall begin it serenely and with too high a spirit to be encumbered with your old nonsense.
In a virtuous community, men of sense and of principle will always be placed at the head of affairs. In a declining state of public morals, men will be so blinded to their true interests as to put the incapable and unworthy at the helm. It is therefore vain to complain of the follies or crimes of a government. We must lay our hands on our own hearts and say, "Here is the sin that makes the public sin.