，乐而不淫，哀而不伤。《论语》
《关睢》这首诗，快乐而不过分，哀婉而不伤恸。
The past is always changing. It is not fixed. The past is not stable.
世界充满了美与丑，而我们选择看哪一种。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
发愤研究学问，常常忘记吃饭，一旦有所收获便又高兴地忘记了忧愁，连自己的渐趋衰老也没有感觉到。
投资于环保技术，就是投资于未来。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
Quality is not an expense; it’s an investment in your brand’s future.