By used books. They have the same words as the new ones. Also libraries.
野牦牛是西藏高原真正的君主,其力量和耐力无与伦比。
"The stories we tell shape our reality, but they also have the power to trap us in illusions."
位卑者不怕攀登高山,贫困者勿需点缀虚幻的光环,朝圣者心中自有上帝,引导一路向前。
做数学的艺术在于找到那个包含所有普遍性萌芽的特殊案例。
"The truth is rarely pure and never simple."