Adam Clarke's Commentary on the Bible - Acts 21:24
Be at charges with them - Or, rather, be at charges for them: help them to bear the expense of that vow. Eight lambs, four rams, besides oil, flour, etc., were the expenses on this occasion. See the notes on Numbers 6:1-21 (note). Thou - walkest orderly and keepest the law - Perhaps this advice meant no more than, Show them, by such means as are now in thy power, that thou art not an enemy to Moses; that thou dost still consider the law to be holy, and the commandment holy, just, and... read more
Adam Clarke's Commentary on the Bible - Acts 21:23
We have four men which have a vow - From the shaving of the head, mentioned immediately after, it is evident that the four men in question were under the vow of Nazariteship; and that the days of their vow were nearly at an end, as they were about to shave their heads; for, during the time of the Nazariteship, the hair was permitted to grow, and only shaven off at the termination of the vow. Among the Jews, it was common to make vows to God on extraordinary occasions; and that of the... read more