1 Thessalonians 3:1
Wherefore when we could no longer forbear, we thought it good to be left at Athens alone;
Cross-reference
1 Thessalonians 3:5
Parallel
In 1 Thessalonians 3:5, Paul explains he could bear it no longer and sent Timothy to test their faith—the same compulsion from verse 1.
1 Thessalonians 2:17
Parallel
In 1 Thessalonians 2:17, Paul expresses his eagerness to see them after being torn away—verse 3:1 then shows that this eagerness led him to stay in Athens alone.
Acts 17:15
Historical context
Acts 17:15 describes Paul being left in Athens alone after his companions were sent for—the very historical situation Paul refers to here.