Revelation 1:15
1:15 His feet were like polished bronze refined in a furnace, and his voice was like the roar of many waters.
Revelation 3:18
3:18 take my advice and buy gold from me refined by fire so you can become rich! Buy from me white clothing so you can be clothed and your shameful nakedness will not be exposed, and buy eye salve to put on your eyes so you can see!