看到这个很有趣啊

• Analysis without numbers is only an opinion.

• There is never a single right solution. There are always multiple wrong ones, though.

• A bad design with a good presentation is doomed eventually. A good design with a bad presentation is doomed immediately. （PPT的重要性。。。）

• (Larrabee's Law) Half of everything you hear in a classroom is crap. Education is figuring out which half is which.

from Akin's Laws of Spacecraft Design

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