绿色发展不是选择题，而是必答题，我们要坚定不移地走绿色低碳发展之路。
Green development is not a multiple-choice question, but a must-answer question. We must unswervingly follow the path of green and low-carbon development.
The world is so full of a number of things, I'm sure we should all be as happy as kings.
技术应该为农民服务，而不是让他们的工作复杂化。
智者自知其无知。
当你真正相信自己并认可自己的才华时，你可以实现任何事情。