Sometimes you have to play a long time to be able to play like yourself.
History is the shadow cast by the present.
要解决复杂的问题，我们必须首先理解产生这些问题的系统。
In mathematics, you don't understand things. You just get used to them.
建筑师必须是一个工匠。
When playing Monopoly， spend all you have to buy， barter， or trade for the Orange properties. Don’t bother with Utilities.
Growth comes from pushing boundaries.