Why Why Why?

Tiger got to hunt
Bird got to fly
Man got to sit and wonder, Why Why Why?
Tiger got to sleep
Bird got to land
Man got to tell himself he understand

The Books of Bokonon (from Cat's Cradle by Kurt Vonnegut)

(You may be interested to know the background to the above picture. Last year the BBC held a mock Turner Prize competition to see what BBC News website users could come up with.
Chris Jordan's 'Bi-polar', shown above, which was drawn with a sparkler and photographed using a single long exposure, was voted the winner.)