1 Thessalonians 2:2

2:2 But although we suffered earlier and were mistreated in Philippi, as you know, we had the courage in our God to declare to you the gospel of God in spite of much opposition.

1 Thessalonians 2:9

2:9 For you recall, brothers and sisters, our toil and drudgery: By working night and day so as not to impose a burden on any of you, we preached to you the gospel of God.