伐木不自其本，必复生；塞水不自其源，必复流；灭祸不自其基，必复乱。
解释：砍伐树木不把树根砍掉，必能重新生长；堵塞水不把源头堵住，必会重新流出；消除祸患不铲除产生祸患的根基，祸患还会再生。
The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.
永远不要停止学习；世界在不断发展，我们也应该如此。
A true mathematician is always a student, always learning.
最重要的是被感动，去爱，去希望，去颤抖，去生活。
The best scientists are those who remain humble in the face of the unknown.