解释:河流川泽中有污水,深山草野中藏有瘴气,美玉也有微小的瑕疵。
I think that plays are there to disturb, not to reassure.
The meaning of earthly existence lies not, as we have grown used to thinking, in prospering but in the development of the soul.
普通和非凡的区别在于那一点点额外的努力。
The most powerful tool for change is knowledge, rigorously pursued and widely shared.