Matthew 7:6
Give not that which is holy to dogs, neither cast ye your pearls before swine; lest they trample them under their feet, and turn upon you and rend you.
Matthew 15:14
Let them alone; they are blind leaders of the blind. And if the blind lead the blind, both will fall into a ditch.
Galatians 2:11-14
But when Cephas came to Antioch, I withstood him to the face; for he was condemned.
Hebrews 6:4-8
For it is impossible that those who have once been enlightened, and have tasted of the heavenly gift, and been make partakers of the Holy Spirit,
2 Peter 3:15-16
and account the longsuffering of our Lord salvation; as also our beloved brother Paul, according to the wisdom given to him, wrote to you,