Mark 9:43-48
And if thy hand cause thee to fall away, cut it off. It is better for thee to enter into life maimed, than having the two hands to go away into hell, into the fire that is unquenchable.
Luke 1:69
and hath raised up a horn of salvation for us in the house of David his servant,
Luke 18:3-5
And there was a widow in that city; and she kept coming to him, saying, Avenge me of my adversary!
Romans 13:4
for the ruler is Gods servant to thee for good. But if thou doest evil, be afraid; for he beareth not the sword in vain; for he is Gods servant, an avenger to inflict wrath upon him that doeth evil.