Neither shall you swear by your head, for you can't make one hair white or black.
nor by the earth, for it is the footstool of his feet; nor by Yerushalayim, for it is the city of the great King.
But let your 'Yes' be 'Yes' and your 'No' be 'No.' Whatever is more than these is of the evil one.
*Which of you, by being anxious, can add one moment to his lifespan?
Which of you by being anxious can add a cubit to his height?