And some days after Paul said unto Barnabas. — The commonly received chronology of the Acts makes the interval between the Council of Jerusalem and St. Paul’s second missionary journey somewhat more than a year.
Let us go again. — The proposal was characteristic of one whose heart was ever full of “the care of all the churches” (2 Corinthians 11:28), ever making mention of them in his prayers night and day (Romans 1:9; Ephesians 1:16; Philippians 1:3). We may well believe that it was a desire to know, not only the general condition of the churches, but the spiritual growth of each individual member.