Our Soul is a spark of the Divine. It is pure and perfect. Evil deeds merely obstruct our vision of the true nature of our Soul. Through good deeds we can become conscious of this perfection again.
Roaming in thought over the Universe, I saw the little that is
Good steadily hastening towards immortality,
And the vast all that is called Evil I saw hastening to merge itself and become lost and dead.
The evil implanted in man by nature spreads so imperceptibly, when the habit of wrong-doing is unchecked, that he himself can set no limit to his shamelessness.
All acts of living become bad by ten things, and by avoiding the ten things they become good. There are three evils of the body, four evils of the tongue, and three evils of the mind.