The joy of mathematics comes from the moments of clarity when complex things become simple.
数学的快乐来自于复杂事物变得简单的清晰时刻。
We must listen to the land—it tells us what it needs.
To be free is not to have no master, but to choose your own.
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
有田不耕仓库就会空虚,有书不读子孙就会愚笨。
可持续林业不仅仅是砍伐树木;它关乎我们星球的未来。
数学之美在于它能够以精确而优雅的方式描述世界。