John Gills Exposition of the Bible Commentary - Matthew 5:37
But let your communication be yea, yea ,.... That is, let your speech, in your common conversation, and daily business of life, when ye answer to anything in the affirmative, be "yea"; and when ye answer to anything in the negative, "nay": and for the stronger asseveration of the matter, when it is necessary, double these words; but let no oaths be joined unto them: this is enough; a righteous man's yea, is yea, and his no, is no; his word is sufficient. Hence it appears, that our Lord is... read more
John Gills Exposition of the Bible Commentary - Matthew 5:36
Neither shalt thou swear by thy head ,.... This also was a common form of swearing among the Jews: take a few instances. "If anyone is bound to his friend by an oath, and says to him, vow unto me בחיי ראשך , "by the life of thy head"; R. Meir says F21 Misn. Sanhedrim, c. 3. sect 2. , he may retract it; but the wise men say, he cannot.' Again F23 T. Bab. Beracot, fol. 3. 1. , a certain Rabbi said to Elijah, "I heard "Bath Kol" (or the voice from heaven) mourning like a... read more