There is some good in the worst of us and some evil in the best of us. When we discover this, we are less prone to hate our enemies.

Every sweet has its sour; every evil its good.

[S]ome men are very bad, and some very good; but yet the souls of all form but one genus: even in the worst there is something good, and in the best there is something bad. ... Just as no soul is without sin, so neither is any soul without seeds of good.

Good and evil grow up together and are bound in an equilibrium that cannot be sundered. The most we can do is try to tilt the equilibrium toward the good.

There is no evil in human affairs that has not some good mingled with it.

Yet living and dying, honour and dishonour, pain and pleasure, riches and poverty, and so forth are equally the lot of good men and bad. Things like these neither elevate nor degrade; and therefore they are no more good than they are evil.

All evils are to be considered with the good that is in them, and with what worse attends them.

...there is a sum of evil equal to the sum of good, the continuing equilibrium of the world requires that there be as many good people as wicked people...

The great in Evil, and the great in [Goodness|Good]]—both leave an immortal residue.