General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.
有人居住的世界的边界是由人类知识的极限决定的。
最虚度的日子,是那些没有欢笑的日子。
The pain is temporary, but the glory is forever.
释义:迷惑对手,隐蔽自己,集中兵力,分散敌人。