悲伤是一座房子，那里的椅子已忘了如何支撑我们，镜子忘了如何映照我们，墙壁忘了如何包容我们。

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.

石油化工的未来在于高附加值、低碳产品。