A book can be a friend, a teacher, and a doorway to another world.
I don't care about others to scold me, as long as they fear me.
我不让过去拖累我,我让它教导我。
数学之美不仅在于它描述世界的能力,还在于它揭示支配世界的隐藏结构的力量。
领导力是指让他人因为你的存在而变得更好,并确保这种影响在你离开后依然持续。