Anxiety
There is no need for anxiety to maintain the body, but what happens after separation from the body, it is very necessary to worry about.
Whatever, has to happen will happen and whatever is not to be, would never be. Then what is to worry about?
We need nothing for ourselves, for our own self lacks nothing. Whatever the body needs, is ordained according to one's fate. Then why worry about anything?
God makes arrangements for our subsistence, but not for enjoyment. Therefore, have no anxiety for subsistence nor desire for enjoyment.
Whatever God does, or will do, in that lies my good. Believing in this, irrespective of circumstances, one should remain free from worry.
There is no unhappiness or worry due to shortage of things, but foolishness is the cause. That is removed by association with perfected souls.
When a man gives up worry about his own body, by and by the world starts worrying about his body.
Living with faith in God, eliminates worry of all kinds.
By doing what should not be done and not doing what must be done, causes anxiety and fear.
God knows better than us, is more competent and more compassionate than ourselves. So why should we worry?