Acts 15:36

Some days after this Paul said to Barnabas, "Let us go back and visit the brothers in every town where we preached the Lord's message, to see how they are."

1 Thessalonians 3:5-6

That was why, when I could bear it no longer, I sent to learn about your faith, for I was afraid that the tempter had tempted you and 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 days after this Paul said to Barnabas, "Let us go back and visit the brothers in every town where we preached the Lord's message, to see how they are."
1 Thessalonians 3:5
That was why, when I could bear it no longer, I sent to learn about your faith, for I was afraid that the tempter had tempted you and our labor might be lost.