每一本书都是一次旅程，每一页都是踏入未知的一步。
Every book is a journey, every page a step into the unknown.
The concept of consciousness adds nothing to the explanation of behavior.
The most beautiful things are often the simplest.
The strength of the state is crucial for the success of any society.
逻辑法则不是心理法则，而是真理的法则。