嫉妒的精神可以摧毁；它永远无法建设。
The spirit of envy can destroy; it can never build.
The spaces between buildings are as important as the buildings themselves.
因为狼群的力量在于狼，而狼的力量在于狼群。
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.
沉默是一种可以学习的语言。