In mathematics, the art of proposing a question must be held of higher value than solving it.
忧患使人生存发展,安逸享乐使人萎靡死亡。
In farming, as in life, the smallest details often make the biggest difference.《The Fruitful Future》
在农业中,就像在生活中一样,最小的细节往往产生最大的差异。
The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.
The greatest wisdom is to realize one's own ignorance.