麻雀因孔雀驮著翎尾而替它担忧。

The past is a foreign country; they do things differently there.

The most damaging phrase in the language is: 'It's always been done this way.'

We are all in the gutter, but some of us are looking at the stars.

常识告诉我们，业绩来来去去，但成本永远存在。