领导力在于有勇气做出艰难的决定，并有谦逊的态度从错误中学习。

"The past is a foreign country; they do things differently there."

人生苦短，不能不冒险。

The beauty of mathematics lies in its ability to connect seemingly unrelated ideas.

L'absence est le plus grand des maux.

一本好书是一扇通往更广阔世界的魔法之门，那里充满奇迹、美丽和真理。