Nor shall you swear by your head, because you are not able to make one hair white or black.

Surely every man walks about like a shadow! Surely they are stirred up in vain. He heaps up the produce, and does not know who shall gather it.

I know that whatever God does, it shall be forever; nothing can be added to it, nor anything taken from it; and God does it so that men should fear before Him.

And which of you by being anxious is able to add one cubit to his stature?

If you then are not able to do even the least, why are you anxious about the rest?

But now God has set the members, each one of them, in the body just as He intended.