【格言】如果你無法把道理說得簡單，代表你理解得不夠透徹。  posted on 2017/01/01 (  1216 )

如果你無法把道理說得簡單，代表你理解得不夠透徹。

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

-- 亞伯特．愛因斯坦，相對論之父