时间改变一切，绘画也不例外。

写作的行为是一种希望的行为。

The database is the foundation of all applications.

当每个人都试图同时出售时，流动性就消失了。

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

出自先秦《荀子·大略》。说得到，也能做得到，这种人就是国家之宝。说明言行一致、身体力行的人才是治国安邦的有益人才。