广告的目的是销售。艺术的目的是表达。

"The world is a book, and those who do not travel read only one page."

攻击我很厉害我也回敬得很厉害，攻击我很轻微我也回敬得很轻微。 

世间的事情纷繁复杂难以预料，春天的忧愁让人黯然神伤独自入眠

我不在乎过去，我在乎未来。

追求数学真理是一项崇高的努力。

The best products come from a combination of passion and precision.

The people who are crazy enough to think they can change the world are the ones who do.