永远不要停止学习——当你认为自己什么都懂的那一刻,就是你落后的开始。
Never stop learning—the moment you think you know everything is the moment you fall behind.
The perfection of machinery is to produce the desired effect with the least possible friction and waste.
重要的不是金钱,而是你爱的人。
成人必须给幼儿提供活动的空间。
We must bridge the gap between scientific research and practical farming applications.