【格言】如果你无法把道理说得简单，代表你理解得不够透彻。  posted on 2017/01/01 (  1047 )

如果你无法把道理说得简单，代表你理解得不够透彻。

If you can't explain it simply, you don't understand it well enough.

-- 亚伯特．爱因斯坦，相对论之父