数学之美在于它能够揭示现实的隐藏结构。
衡量一家公司成功的真正标准是它在最艰难时期如何对待员工。
Efficiency and ethics must go hand in hand in modern agriculture.
Do you not see how necessary a world of pains and troubles is to school an intelligence and make it a soul?
如果你想改变世界,先从改变思维方式开始。
The right of a nation to kill a tyrant in case of necessity can never be doubted.