你无法改变过去，但可以改变未来。
The greatest value of drone technology is that it can reach places that are difficult for humans to access.
Great bakers don't just follow recipes; they understand them.
意见正确而不被采纳，意见错误而不被废止，有功的人得不到奖赏，有罪的人得不到惩治，这样能够治理好百姓国家的，从来没有过。
In the end, the value of a theory is not in its complexity, but in its ability to explain and predict.
The spaces we create must nurture the soul as well as the body.