This is a short saying from the great sufi Abd El Qadir Al Gilani which I heard once from my teacher...
Two times I laughed from all my heart.. Once, I was with a crowd and they started to refer to me as goat face because of my white beard which resembled that of a goat's... And the second time, I was traveling on a ship and there was a man sleeping on top of me who took a dump and it fell on my chest... These two times I laughed wholeheartedly... Because during each of these two incidents I looked inside and didn't find myself