Commentaries:
Adam Clarke
Above all things - swear not - What relation this exhortation can have to the subject in question, I confess I cannot see. It may not have been designed to stand in any connection, but to be a separate piece of advice, as in the several cases which immediately follow. That the Jews were notoriously guilty of common swearing is allowed on all hands; and that swearing by heaven, earth, Jerusalem, the temple, the altar, different parts of the body, was not considered by them as binding oaths, has been sufficiently proved. Rabbi Akiba taught that "a man might swear with his lips, and annul it in his heart; and then the oath was not binding." See the notes on Matthew 5:33, etc., where the subject is considered in great detail.
Let your yea be yea, etc. - Do not pretend to say yea with your lips, and annul it in your heart; let the yea or the nay which you express be bona fide such. Do not imagine that any mental reservation can cancel any such expressions of obligation in the sight of God.
Lest ye fall into condemnation - ̔ ̔ · Lest ye fall under judgment. Several MSS. join ̔ and together, ̔ , and prefix , into, which makes a widely different reading: Lest ye fall into hypocrisy. Now, as it is a fact, that the Jews did teach that there might be mental reservation, that would annul the oath, how solemnly soever it was taken; the object of St. James, if the last reading be genuine, and it is supported by a great number of excellent MSS., some versions, and some of the most eminent of the fathers, was to guard against that hypocritical method of taking an oath, which is subversive of all moral feeling, and must make conscience itself callous.
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