Good overcome evil (bad)

1. Rom. 12: 21
   21 Be not overcome of evil, but overcome evil with good.
2. Jacob 5: 59, 66
   59 And this I do that, perhaps, the roots thereof may take strength because of their goodness; and because of the change of the branches, that the good may overcome the evil.
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   66 For it grieveth me that I should lose the trees of my vineyard; wherefore ye shall clear away the bad according as the good shall grow, that the root and the top may be equal in strength, until the good shall overcome the bad, and the bad be hewn down and cast into the fire, that they cumber not the ground of my vineyard; and thus will I sweep away the bad out of my vineyard.