Acts 2:41

Then those who responded [by faith] to the words [spoken by Peter and the apostles] were immersed, and about three thousand persons were added to them [i.e., the apostles] on that day.

1 Thessalonians 3:8-9

for now we [really] live, if you [continue to] stand firm in [the service of] the Lord [i.e., Paul could enjoy life much more in knowing that the Thessalonians were living for the Lord faithfully].

Treasury of Scripture Knowledge

Summary

And Hezekiah rejoiced, and all the people, that God had prepared the people: for the thing was done suddenly.

Hezekiah rejoiced

The thing

Bible References

Hezekiah rejoiced

1 Thessalonians 3:8
for now we [really] live, if you [continue to] stand firm in [the service of] the Lord [i.e., Paul could enjoy life much more in knowing that the Thessalonians were living for the Lord faithfully].

The thing

Acts 2:41
Then those who responded [by faith] to the words [spoken by Peter and the apostles] were immersed, and about three thousand persons were added to them [i.e., the apostles] on that day.