1 Thessalonians 1:7

For 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.

And ye became followers of us, and of the Lord, having received the word in much affliction, with joy of the Holy Ghost.

For from you sounded out the word of the Lord not only in Macedonia and Achaia, but also in every place your faith to God-ward is spread abroad; so that we need not to speak any thing.

For they themselves shew of us what manner of entering in we had unto you, and how ye turned to God from idols to serve the living and true God;