家和万事兴，家乱百事哀。
家庭和谐，事业才能顺利。
孔子说：“温习旧知识时，能有新收获，就可以做老师了。”
Language is the key to understanding higher mental processes.
预测未来的最好方式就是创造未来。
All animals are equal, but some animals are more equal than others.
数学的本质在于它的自由。
The best way to understand labor markets is to look at real-world data, not just theoretical models.
理解劳动力市场的最佳方式是观察现实数据，而不仅仅是理论模型。
保持简单，愚蠢。