To teach other people that knew the suffering than us. Sometimes there is no food to eat. There are no protective apparel clothing winter weather.But it requires patience to go through the barrier.
To teach them that there are more than our suffering. Sometimes it's nothing to eat. No protective clothing cold, but it requires patience to get through the obstacles.
To teach that there are others suffering more than us. Sometimes there may be no food. No clothing apparel prevent cold but it must endure to through obstacles.