Leadership in times of change requires both vision and the courage to make difficult decisions.
变革时期的领导力既需要远见,也需要做出艰难决定的勇气。
数学的美在于它能够以最抽象的术语描述宇宙。
如果在战争获胜后得不到任何东西,不要开战。
If you don't fail, you're not innovating enough.