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。
"It's the possibility of having a dream come true that makes life interesting."
最好的书是那些让你感觉不那么孤独的书。
世界是个好地方，值得为之奋斗。
