Theorems are the permanent literature of mathematics.
未来是自己开拓的。
Every stroke carries the weight of emotion, every color sings a silent song.
最好的科学是用开放的心态和学习的意愿完成的。
Those who dream by day are cognizant of many things which escape those who dream only by night.
如果你打算尝试,那就全力以赴。否则,干脆不要开始。