the castle in the swamp

father: one day, lad, all this will be yours!
herbert: what, the curtains?
father: no, not the curtains, lad. all that you can see! stretched out over the hills and valleys of this land! this'll be your kingdom, lad!
herbert: but, mother--
father: father, i'm father.
herbert: fut father, i don't want any of that.
father: listen, lad. i've built this kingdom up from nothing. when i started here, all there was was swamp. all the kings said i was daft to build a castle in a swamp, but i built it all the same, just to show 'em. it sank into the swamp. so, i built a second one. that sank into the swamp. so i built a third one. that burned down, fell over, then sank into the swamp. but the fourth one stayed up. an' that's what your gonna get, lad - the strongest castle in these islands!
herbert: but i don't want any of that - i'd rather-
father: rather what?!
herbert: i'd rather... just...
[music]
...sing!
father: stop that, stop that! (...)

in monty python and the holy grail, scene 26: the tale of sir launcelot.