I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
钓鱼的人躬着身子,不是要对鱼恭恭敬敬;用虫子作为诱饵捕鼠,也不是因为喜爱老鼠。
真相并不总是美丽的,美丽的话语也不一定是真相。
每一天都是产生影响的新机会。
The true measure of our success in forestry will be what we leave for future generations, not just our quarterly reports.