我相信当一切似乎都出错时要坚强。我相信快乐的女孩是最漂亮的女孩。我相信明天是新的一天，我相信奇迹。
I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法：它是关于理解的。
Innovation in cement production must balance efficiency with environmental responsibility.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
