宇宙是一个庞大而复杂的系统，理解它需要理论洞察力和观测证据。
The real is always stranger than the imagined.
Advice like these are not laws. They are like hats. If one doesn’t fit， try another.
所谓仁人，只要能做到自己想成功时先帮别人成功，自己想得到时先帮别人得到，就可以了。推己及人，可算实行仁的方法。
魔法，如同任何其他力量，本身既非善也非恶。决定其性质的是它所服务的目的。
The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.