Bahlul, the wise fool, happened to meet the caliph Harun al-Rashid.

'Where are you coming from like this ya Bahlul?' the ruler asked him.

'From Hell' was the prompt reply.

'What were you doing there?'

Bahlul explained, 'Fire was needed, Sire, so I thought of going to Hell to ask if they could spare a little. But the fellow in charge there said 'We have no fire here.' Of course I asked him, 'How Come? Isn't Hell the place of fire?

He answered 'I tell you, there really is no fire down here. Everybody brings his own fire with him when he comes'