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Great design should solve problems, not create them.
父子之间要亲爱,君臣之间要有礼义,夫妇之间要挚爱但还要有内外之别,老少之间有尊卑之序,朋友之间要有诚信之德。
"Books are the maps that guide us through life."
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.