沾沾自喜时，应该约束反省；怒不可遏时，应该约束反省；怠倦懒惰时，应该约束反省；思想狂放时，应该省约束反。

最成功的城市空间是那些促进人类互动和联系的空间。

You can't lead effectively if you don't understand the business from the ground up.

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.