Revelation 3:17-18

17You say, ‘I am rich. God has helped me to have many things. I do not need anything more.’ But you do not know how very poor you are really! You are like people who cannot see. You are like people who are without clothes. Really, other people should feel very sorry for you.

18So I tell you that you should buy gold from me. With my gold, you would be really rich. My gold is the best, because it has been through fire. You should also buy white clothes from me to dress yourselves. Then you will not be ashamed because you have no clothes. You should also buy medicine from me to put on your eyes. Then you will be able to see well.