Matthew 7:6
Give not that which is holy to the dogs, neither cast your pearls before the swine, lest they may trample them under their feet, and having turned round tear you to pieces.
Matthew 15:14
Let them alone: the blind are leaders of the blind: if the blind may lead the blind, both will fall into the ditch.
Galatians 2:11-14
And when Cephas came into Antioch, I withstood him to the face, because he was to blame.
Hebrews 6:4-8
For it is impossible that those having been once enlightened, and tasted the heavenly gift, and have been made partakers of the Holy Ghost,
2 Peter 3:15-16
and consider the longsuffering of the Lord's salvation; as our beloved brother Paul according to the wisdom which was given unto him has written unto you;