“And whosoever shall give to drink unto one of these little ones a cup of cold water only in the name of a disciple, verily I say unto you, he shall in no wise lose his reward.”
Matthew 10:42 — Greek Interlinear
Church Fathers on Matthew 10:42
The Lord when He sends forth His disciples to preach, teaches them that dangers are not to be feared, that natural affection is to be postponed to religion - gold He had above taken from them, brass He had shaken out of their purses - hard then surely the condition of the preachers! Whence their living? Whence their food and necessaries? Therefore He tempers the rigour of His precepts by the following promises, that in entertaining the Apostles each believer may consider that…
Enough had been said above to persuade those who should have to entertain the Apostles. For who would not with all willingness take in to his house men who were so courageous, that they despised all dangers that others might be saved?
These words shew that He has a Mediator’s office, and since He came from God, when He is received by us, through Him God is transfused into us; and by this disposition of grace to have received the Apostles is no other than to have received God; for Christ dwells in them, and God in Christ.