To do great things is difficult，but to command great things is more difficult.
做伟大的事情很困难，但指挥伟大的事情更困难。
Technology in aquaculture should serve two masters: productivity and planetary health.
君子吃饭无求过饱，……做事要勤奋，说话要谨慎，并能接近有道理的人，向他学习，以纠正自己的缺点，这就可以说是好学的人了。
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.