Leviticus 15:8

And if liquid from the mouth of the unclean man comes on to him who is clean, then he is to have his clothing washed and his body bathed in water and be unclean till evening.

Isaiah 1:16

Be washed, make yourselves clean; put away the evil of your doings from before my eyes; let there be an end of sinning;

Galatians 1:8-9

But even if we, or an angel from heaven, were to be a preacher to you of good news other than that which we have given you, let there be a curse on him.

1 Timothy 4:1-3

But the Spirit says clearly that in later times some will be turned away from the faith, giving their minds to spirits of deceit, and the teachings of evil spirits,

Titus 1:9-10

Keeping to the true word of the teaching, so that he may be able to give comfort by right teaching and overcome the arguments of the doubters.

James 4:8

Come near to God and he will come near to you. Make your hands clean, you evil-doers; put away deceit from your hearts, you false in mind.

2 Peter 2:1-3

But there were false prophets among the people, as there will be false teachers among you, who will secretly put forward wrong teachings for your destruction, even turning away from the Lord who gave himself for them; whose destruction will come quickly, and they themselves will be the cause of it.

Jude 1:4

For certain men have come among you secretly, marked out before in the holy Writings for this evil fate, men without the fear of God, turning his grace into an unclean thing, and false to our only Master and Lord, Jesus Christ.

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain