Nature is a book, and each species is a chapter, each species is a story.
时间不会治愈伤口，只会将它们埋在遗忘的层层之下。
即使在最黑暗的时刻，幸福也有迹可循，只要记得点亮灯。
The first duty of a revolutionary is to be educated.
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
I'm not a rapper, I'm a Korean legend.