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出自汉·桓宽《盐铁论·后刑》。锄去田里有害的杂草,禾苗就可以健康地生长;惩罚为非作歹的恶人,百姓就会感到喜悦。
The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.
In times of adversity and change, we really discover who we are and what we're made of.