做数学就是参与发现与猜想、直觉与灵感的过程。
To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
Cada libro es un mundo por descubrir, lleno de sorpresas y enseñanzas.
The motion of the universe is eternal.
人生真实，人生诚挚。
模型的唯一真正检验是其预测未来的能力，而未来总是不确定的。
"The world is a shadow, and the shadow is a mirror."
一个破坏其土壤的国家是在自我毁灭。
The boundaries between art and design are porous, and that's what makes them interesting.