Cross reference
Matthew 6:27
27 "Which of you, by being anxious, can add one cubit to the measure of his life?
Ecclesiastes 3:14
14 I know that whatever God does, it shall be forever. Nothing can be added to it, nor anything taken from it; and God has done it, that men should fear before him.
Luke 12:25-26
25 Which of you by being anxious can add a cubit to his height?
26 If then you aren't able to do even the least things, why are you anxious about the rest?
Matthew 5:36
36 Neither shall you swear by your head, for you can't make one hair white or black.
Psalms 39:5-6
5 Behold, you have made my days handbreadths. My lifetime is as nothing before you. Surely every man stands as a breath." Selah.
6 "Surely every man walks like a shadow. Surely they busy themselves in vain. He heaps up, and doesn't know who shall gather.
1 Corinthians 12:18
18 But now God has set the members, each one of them, in the body, just as he desired.