Matthew 7:6
Give not that which is holy to dogs, nor throw your pearls before swine, lest they trample them under their feet, and turn again and tear 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 the pit.
Galatians 2:11-14
But when Peter came to Antioch, I openly opposed him, because he had incurred blame.
Hebrews 6:4-8
For it is impossible to renew again to repentance those who have once been enlightened, and have tasted of the heavenly gift, and have been made partakers of the Holy Spirit,
2 Peter 3:15-16
and count the long-suffering of our Lord, salvation, even as our beloved brother Paul, according to the wisdom given him, has written to you;