This thing you carry inside you, I don't know what it is. I don't know where you got it. But Harry, the past is the past. You are alive today. That is all that matters. You must remember, because it is who you are, but as it is who you are, you must never, ever regret. To regret your past is to regret your soul.
I know that I shall die struggling for breath, and I know that I shall be horribly afraid. I know that I shall not be able to keep myself from regretting bitterly the life that has brought me to such a pass; but I disown that regret. I now, weak, old, diseased, poor, dying, hold still my soul in my hands, and I regret nothing.
Listen widely to remove your doubts and be careful when speaking about the rest and your mistakes will be few. See much and get rid of what is dangerous and be careful in acting on the rest and your causes for regret will be few. Speaking without fault, acting without causing regret: 'upgrading' consists in this.
What is the price-current of an honest man and patriot to-day? They hesitate, and they regret, and sometimes they petition; but they do nothing in earnest and with effect. They will wait, well disposed, for others to remedy the evil, that they may no longer have it to regret. At most, they give only a cheap vote, and a feeble countenance and Godspeed, to the right, as it goes by them.