War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.

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。

民主的力量在于合作与参与的精神。

真相永远是正确的答案。