Acts 4:34 describes the general practice of selling property; Barnabas in Acts 4:37 is a specific example of that generosity.

Acts 4:35 tells of laying money at apostles' feet; Barnabas does exactly that in Acts 4:37, illustrating the communal sharing.

Acts 5:1 introduces Ananias and Sapphira, who also sell property but deceive—contrasting Barnabas's honest gift in Acts 4:37.

Acts 5:2 shows Ananias keeping back part of the price; Barnabas in Acts 4:37 gave all—a direct contrast in integrity.

Acts 11:22 shows Barnabas sent as a trusted leader; his generosity in Acts 4:37 establishes the character that leads to that role.

Matthew 19:29 promises reward for leaving lands for Christ; Barnabas selling his field in Acts 4:37 exemplifies that sacrifice.