¹⁸ Therefore I advise you to buy from me gold refined by fire so that you may be rich, and white robes to clothe yourself and to keep the shame of your nakedness from being seen, and salve to anoint your eyes so that you may see.^{(A) 19} I reprove and discipline those whom I love. Be earnest, therefore, and repent.^{(B) 20} Listen! I am standing at the door, knocking; if you hear my voice and open the door, I will come in and eat with you, and you with me.^(C)