一门科学的历史就是它的问题域的历史。
The most successful organizations are those that focus on creating value for all stakeholders.
Only the dead have seen the end of war
Don’t wait until they tell you you are ready. The world might say you are not allowed to yet. I waited a long time in the world before I gave myself permission to fail. Please, Don’t even bother asking, don't bothering telling the world you are ready. Show it. Do it.