Acts 20:30

20:30 Even from among your own group men will arise, teaching perversions of the truth to draw the disciples away after them.

Titus 1:11

1:11 who must be silenced because they mislead whole families by teaching for dishonest gain what ought not to be taught.

James 3:10

3:10 From the same mouth come blessing and cursing. These things should not be so, my brothers and sisters.