TWO FRIENDS ON A JOURNEY

Two friends were traveling on a desert,during some point of the journey they had an argument,and one friend slapped the other one in the face,the one who got slapped was hurt,but without saying a word,he wrote in the sand TODAY MY BEST FRIEND SLAPPED ME. However, they continued their journey and shortly they found an oasis,where they decided to take a bath,the one who was slapped got stuck in the mire and started drowning,but the friend saved him, after he recovered from the near drowning, he wrote on a stone TODAY MY BEST FRIEND SAVED MY LIFE,the one who had slapped and saved his best friend's life, asked; "after i hurt you you wrote on the sand

and now you wrote on the stone,why? can you explain?

The friend replied "if someone hurt us we should write it down in the sand where the wind of forgiveness can easily erase it away, but when someone does something good for us,we it's needful we engrave it in stone where no wind can erase it.

Moral
 learn how to write your hurts in sand where the wind of forgiveness can easily get it erased
and also engrave every good deed so as to always recall and give thanks.
count your blessings not your worries