一本书是一面镜子；如果一只猴子往里看，不会有哲学家往外看。
Emotions are biological signals that prepare the organism for action.
Every truth goes through three stages: first, it is ridiculed; second, it is violently opposed; third, it is accepted as self-evident.
在量子力学中，观察的行为会改变被观察的系统。
In the world of mathematics, every question leads to another, creating an endless web of knowledge that connects all areas of science.