And do not take an oath by your head, for you cannot make one hair white or black.
We have here an exposition of the third commandment, which we are the more concerned right to understand, because it is particularly said, that God will not hold him guiltless, however he may hold himself, who breaks this commandment, by taking the name of the Lord in vain. Now as to this command, I.
Commenting on Matthew 5:33-37
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 , "by the life of thy head"; R.
Verse 36. Thy head. This was a common oath. The Gentiles also many of them used this oath. To swear by the head was the same as to swear by the life; or to say, I will forfeit my life if what I say is not true. God is the Author of the life, and to swear by that, therefore, is the same as to swear by him.