A 24 year boy seeing out from the train window, shouted, "Dad, look the trees are going behind!"

Dad smiled and a young couple sitting nearby, looked at the 24 year old?s child's behaviour with pity.

Suddenly he again exclaimed "Dad, look the clouds are running with us!"
...
The couple could?nt resist and said to the old man, "why dont you take ur son to a good doctor?"

Old man smiled and said "I did and we are just coming from the hospital, my son was blind from birth, He Just Got His EYES TODAY"

Moral: Think before u speak