Acts 15:36

Some time after, Paul said to Barnabas, "Come, let us go back and revisit the brothers in each of the towns where we made the Lord's message known, to see how they are doing."

1 Thessalonians 3:5-6

That was why, when I could not bear it any longer, I sent to find out about your faith, for I was afraid that the tempter might have tempted you and all our labor might be lost.

Treasury of Scripture Knowledge

Summary

And carry these ten cheeses unto the captain of their thousand, and look how thy brethren fare, and take their pledge.

Bible References

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Acts 15:36
Some time after, Paul said to Barnabas, "Come, let us go back and revisit the brothers in each of the towns where we made the Lord's message known, to see how they are doing."
1 Thessalonians 3:5
That was why, when I could not bear it any longer, I sent to find out about your faith, for I was afraid that the tempter might have tempted you and all our labor might be lost.