Neither shalt thou swear by thy head, because thou canst not make one hair white or black.
Berean Study Bible (BSB) - Matthew 5:36 >Nor should you swear by your head, for you cannot make a single hair white or black.
Textus Receptus (TR) - Matthew 5:36 >μήτε ἐν τῇ κεφαλῇ σου ὀμόσῃς, ὅτι οὐ δύνασαι μίαν τρίχα λευκὴν ἢ μέλαιναν ποιῆσαι.