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We must listen to the land - it tells us what it needs if we're willing to hear.

Life is too short to waste time hating anyone.

The key to success is to focus on goals, not obstacles.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

用心體會整理才能理解精確得當，所以應當沉著穩重，不然就成了口頭耳邊的小事，過后就忘了。事理要以典故為依據，因此必須學識廣博，否則就成了隨意推測，胡編亂造。