你不会忘记那个是你最后希望的人的脸。
"You don’t forget the face of the person who was your last hope."
"Mathematics is the science of patterns, and we study them to learn how to think logically, critically, and creatively."
The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
自由从来不是被压迫者自愿给予的,必须由被压迫者争取。