1 Thessalonians 1 5
for our good news [regarding salvation] came to you not only in word, but also in [its inherent] power and in the Holy Spirit and with great conviction [on our part]. You know what kind of men we proved to be among you for your benefit.
Compare with other 3 random translations
ERV 1 Thessalonians 1:5When we brought the Good News to you, we came with more than words. We brought that Good News with power, with the Holy Spirit, and with the sure knowledge that it was true. Also you know how we lived when we were with you. We lived that way to help you.
KJV 1 Thessalonians 1:5For our gospel came not unto you in word only, but also in power, and in the Holy Ghost, and in much assurance; as ye know what manner of men we were among you for your sake.
FBV 1 Thessalonians 1:5The good news we brought to you wasn't just words, but had power too, for the Holy Spirit completely convinced you. In the same way you know what kind of men we are since we demonstrated to you that we were working for your benefit.