Mr Cohen dies and goes to heaven where is is bade to enter but not go near the big white wall.

Every time he sees an Archangel his is asked if he has been near the big white wall and always the answer is "No".

One day he sees Abraham and says "Father Abraham, heaven is great but tell me please, what is behind the big white wall?"

"My Son" says Abraham "That's the catholics - they think they're up here themselves"