I believe in the power of gratitude.
你所要做的就是写一个真实的句子。写出你所知道的最真实的句子。
"The world is a book, and those who do not travel read only one page."
Every great mathematical theory begins as a heresy and ends as a dogma.
我们不是从祖先那里继承了海洋,而是从子孙那里借来的。