1 Thessalonians 1:4-5

4For we know, brothers and sisters The Greek word for brothers and sisters (adelphoi) refers here to believers, both men and women, as part of God’s family; also in 2:1, 9, 14, 17; 3:7; 4:1, 10, 13; 5:1, 4, 12, 14, 25, 27. loved by God, that he has chosen you, 5because our gospel came to you not simply with words but also with power, with the Holy Spirit and deep conviction. You know how we lived among you for your sake.