数学的研究就像空气或重力——它无处不在，即使你看不到它。
The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.
合同本质上是不完全的，因为不可能预见所有未来的偶然事件。
可持续性不是一种趋势，而是我们对后代的责任。
在数学中，发现的旅程往往比目的地本身更有价值。
People with a clear sense of identity know who they are and what they stand for. They have a strong sense of self and are not easily swayed by others.
The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.
请勇往直前，一路勇往直前，然后用推特（Twitter ）大肆宣扬你努力的成果。搞不好你会名满天下。