Philippians 4:16
For even [when I was] in Thessalonica, you sent [money] more than once to meet my needs.
1 Thessalonians 2:9
For you brothers remember how we labored and toiled, working hard night and day, so that we would not burden any of you [while] we proclaimed to you the Gospel of God.
Acts 17:1
Now when they [Note: A change from the use of "we" to "they" suggests that the writer Luke remained behind in Philippi at this point] had traveled through the [Macedonian] towns of Amphipolis and Apollonia, they came to [the city of] Thessalonica where there was a Jewish synagogue.
1 Thessalonians 2:18
For we [really] wanted to come to you [and] I, Paul, [even tried to come] more than once, but Satan prevented us. [Note: This was probably accomplished through the influence of certain people or circumstances].