After these things the Lord appointed seventy others also, and sent them two by two before his face into every city and place, where he himself would come.
All Commentaries on Luke 10:1 Go To Luke 10
George Leo Haydock
AD 1849
Other seventy-two. Most Greek copies, and the Syriac version, have seventy, as in the Protestant translation. Yet there seems no doubt but the true number was seventy-two. For seventy-two may be called seventy; but had they been only seventy, they could never have been called seventy-two. This was also the exact number of the judges chosen to assist Moses; (Exodus xxiv. 1.) though called seventy, (Numbers xi. 16.) as it is evident, because there were six chosen out of every one of the twelve tribes. In like manner the exact number of the interpreters called the Septuagint must have been seventy-two; and also the just number of the Sanhedrim.
Two and two, that one might be a help and comfort to the other; as also a witness of the carriage and behaviour of his companion. (Witham)