It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all doing direct the other way.

The world is a great book, and we are the words.

科学不仅是理性的门徒，也是浪漫和激情的追随者。

锄地不因为旱涝灾害而停止，这样一定会得到一个丰收的年景。如果不勤劳耕作、不掌握正确的耕种方法，那怎么可能获得丰收呢？所以，我们凡事应该先从自己身上找原因，重视自己的主观能动性。