27 “Which of you, by being anxious, can add one moment to his lifespan?
Matthew 6:27 Cross References - WEB
Psalms 39:5-6
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.
Matthew 5:36
36 Neither shall you swear by your head, for you can’t make one hair white or black.
Luke 12:25-26
1 Corinthians 12:18
18 But now God has set the members, each one of them, in the body, just as he desired.