Leviticus 13:44
He is a leprous man, he is unclean: the priest shall pronounce him utterly unclean; his disease is in his head.
Job 36:14
They die in youth, and their life is among the unclean.
Isaiah 1:5
Why should you be stricken any more? you will revolt more and more: the whole head is sick, and the whole heart faint.
Matthew 6:23
But if your eye be evil, your whole body shall be full of darkness. If therefore the light that is in you be darkness, how great is that darkness!
2 Peter 2:1-2
But there were false prophets also among the people, even as there shall be false teachers among you, who shall secretly bring in destructive heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.
2 John 1:8-10
Look to yourselves, that we lose not those things which we have worked for, but that we receive a full reward.