When I took over preaching duties from my father in the church, it was my turn to study with him and I failed to lead him to the truth. He was so deeply entrenched in that doctrine since his family for several generations had taught him so that he was thoroughly entrenched.
About 20 years passed and news reached me he had been baptized. Though delighted, I was surprised he finally obeyed his Lord. When I saw him, I expressed my happiness that we were brothers, and asked him what had happened to convince him to obey the gospel.
He said he obeyed the gospel because of the conduct of his wife. Through the years, her faithful Christian example convinced him of the truth and he obeyed the gospel. The Apostle Peter wrote, “Likewise, wives, be subject to your own husbands, so that even if some do not obey the word, they may be won without a word by the conduct of their wives,” (1 Peter 3:1 ESV).