An empire founded by war has to maintain itself by war.

"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."

Il n'y a pas de grand talent sans une grande volonté.

这门崇高科学的迷人魅力，只有在那些有勇气深入其中的人面前才会展现出全部的美。

压力是一种特权。