To become truly great, one has to stand with people, not above them.
Mathematics teaches us to think logically and to approach problems systematically.
译文:古代的士、农、工、商四种职业不同但遵循的道是相同的,他们尽自己的心力,在这一点上是一样的。
可持续性不是一种趋势;它是我们对下一代的责任。
生命的意义在于活得充实,而不在于活得长久。