We must, however, acknowledge, as it seems to me, that man with all his noble qualities still bears in his bodily frame the indelible stamp of his lowly origin.  

因果方法在于理解生成数据的机制。

生活中最大的幸福是坚信有人爱我们。

城市是人类最伟大的建筑成就。

儿童的一切教育都必须遵循一个原则，即帮助孩子身心自然的发展。

你无法满足所有人的要求。

艺术不是你看到的，而是你让别人看到的。