Reason obeys itself; and ignorance submits to whatever is dictated to it.

Every piece of plastic we produce should have a plan for its entire lifecycle.

To write is to rewrite, and to rewrite is to understand.

阿根廷，以格瓦拉名言“直到最后的胜利”为名的关于格瓦拉生平的记传片在布宜诺斯艾利斯首映，4万人云集首都足球场，各国歌手纪念

Your past doesn't define you, it prepares you.

The song of a nation will never die.