In Matthew 5:36, Jesus notes humans cannot change hair color—similar limitation theme: both show human powerlessness over physical attributes.

In Luke 12:25, Jesus asks the same question about adding a cubit to one's stature—a parallel account of this teaching on anxiety.

In Luke 12:26, Jesus continues by asking why worry about bigger things if you cannot do this small thing—directly extends the same argument.

In Psalm 39:6, life is a fleeting shadow and human turmoil is futile—mirrors the point that anxiety cannot extend life.

In Ecclesiastes 3:14, nothing can be added to what God does—echoes the truth that humans cannot add to their lifespan by worrying.