The progress of science is not a straight line, but a series of zigzags, sometimes seeming to go backward before a new advance is made.
科学的进步不是一条直线，而是一系列曲折，有时在新的进展之前似乎会倒退。
Art is humanity's last line of defense.
追求智慧的人永远不会停止探索。
The soil is not just dirt—it's the foundation of civilization.