衡量矿业公司成功的真正标准是其如何平衡利润与环境责任。
The beauty of Arabic literature lies in its ability to weave history with imagination.
你停止学习的那一刻，就是你开始落后的那一刻。
The arc of the moral universe is long， but it bends toward justice.
We're all islands shouting lies to each other across seas of misunderstanding.
数学家的工作永无止境；总有新的问题要问，新的谜题要解。
Greatness comes from believing in yourself and your vision.