¹⁵ But if I tarry long, that thou mayest know how thou oughtest to behave thyself in the house of God, which is the church of the living God, the pillar and ground of the truth.

¹⁸ And I say also unto thee, That thou art Peter, and upon this rock I will build my church; and the gates of hell shall not prevail against it.

¹⁷ Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.