Thanks to Martin Arhelger who found it. It is from "Sound Words" Volume 9, 1878. https://www.cw-archive.org/en/magazines/SW/9#124 https://bibletruthpublishers.com/corinth-and-sects-part-1/sound-words-1878/la89178 (Part 1) https://bibletruthpublishers.com/corinth-and-sects-part-2/sound-words-1878/la89186 (Part 2)