证明的优雅与其正确性同样重要。
The elegance of a proof is as important as its correctness.
可持续性不是一种选择,而是煤炭行业的必需品。
The universe is not hostile, nor yet is it friendly. It is simply indifferent.
The truth is a fire that burns everything in its path.
一本书是一面镜子:如果傻瓜往里看,智者也无法从中看出什么。
可持续发展要求我们在经济增长和环境保护之间取得平衡。