'The time has come ' the walrus said 'to talk of many things: of shoes and ships - and sealing wax - of cabbages and kings.'
The insufferable arrogance of human beings to think that Nature was made solely for their benefit as if it was conceivable that the sun had been set afire merely to ripen men's apples and head their cabbages.
Humor must not professedly teach and it must not professedly preach but it must do both if it would live forever.