Matthew 6:26-27 (KJV) Behold the fowls of the air: for they sow not, neither do they reap, nor gather into barns; yet your heavenly Father feedeth them. Are ye not much better than they?
Which of you by taking thought can add one cubit unto his stature?
A cubit is the length from your elbow to the end of your finger. No one could add a cubit, or an inch or centimeter, to his or her height through worrying about it. Anxiety in no way accomplishes anything, in fact, however to cause us stress, waste time, and lessen our believe in God.