太妙了，轉了。
內科醫師
They know everything & do nothing.
外科醫師
They know nothing， but do everything.
精神科醫師
They know nothing， and they do nothing， but they tell you everything.
政客
They know something， promise everything， and do nothing.
律師
They know nothing， they do nothing， but they charge you for everything.
總統
Their left brain has nothing right and their right brain has nothing left.
老百姓
They know everything & do everything， but they have nothing