Liberty cannot be preserved without a general knowledge among the people.

Patience is the most important skill in life.

In the new century, I think we will all be insane.

The pig farming industry must rely on technology and talent for high-quality development.

我相信爱和音乐的力量可以改变世界。

The test of a psychological idea is its life-enhancing power.

家中闲坐无聊，不妨想想，有人在为生活而辛劳；官位不能飞黄腾达，想想仍有许多才能好的读书人，人都老了还是青衣。