语言是存在之家，人在其中栖居。
"Language is the house of being. In its home, man dwells."
"In the end, we only regret the chances we didn't take."
控制的挑战在于在存在不确定性的情况下使系统工作。
The challenge in computer science is to bridge the gap between the theoretical models and practical applications.
一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。