The best hedge against low oil prices is low breakeven costs.

广东话谚语

Literature is the memory of humanity.

出自先秦《荀子·非相》。君子自己贤能而对他人的疲弱无能也能容忍，自己机智而对他人的愚蠢也可容忍，自己知识广博而对他人的浅薄也能予以宽容，自己道德纯粹而对他人的道德不高也能宽容。说明君子要有容人的雅量，不可以自己的标准衡量一切人。

成为我们自己，并成为我们能够成为的人，是生命的唯一目的。

The joy of discovery is what keeps me motivated after all these years.

Fruit is a noble cause,the cause of flower is sweet,but still let me in the obscurity of the shadow of the dedication to do it cause leaf.