A man is but the product of his thoughts. What he thinks， he becomes.
一个人是他思想的产物，他想什么，就会成为什么。
【释义】社会常把内向病理化，凯根用实验证明：内向气质是大脑独特的生物设定，藏着深度思考与独立创新的宝藏。
The land remembers what we have forgotten.
The only thing that can bring you happiness is yourself.
人类行为是自然的一部分，可以通过自然科学的方法来研究。
The power of words is not in their loudness, but in their ability to resonate deeply within the hearts of readers.
The only thing necessary for the triumph of evil is for good men to do nothing.