Rigor in proof is what separates mathematics from all other sciences.
证明的严谨性将数学与所有其他科学区分开来。
"Sometimes I think that the only thing that connects us to the past is the present. Without the present, the past would be lost forever."
Follow your heart and do what you love.
找到真正幸福的唯一方法，是冒险让自己彻底敞开。
In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.《Steel and Strategy》
My past doesn't define me, it refines me.
"Books are the windows to other perspectives."
I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.
当我们为后代考虑而采石时，石头就变成了桥梁，而不仅仅是资源。
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night.