[00:00.00] [00:00.79]6.Castles in the air [00:03.59]A rich man asks an architect to build a three-storey house for him. [00:10.48]When the first storey is finished, the rich man says to the architect, [00:17.30]\"I only want the third storey, not the first and the second storeys.\" [00:23.81]The architect asks, [00:26.46]\"But without the first and the second storeys, how can I build the third storey?\" [00:32.12]Shaking his head, he packs up his tools, and leaves.