我们相信的关于自己的故事既可以限制我们的潜力，也可以推动我们走向伟大。
The stories we believe about ourselves can either limit our potential or propel us towards greatness.
Psychology must be independent of philosophy and physiology.
A man knows when he is growing old because he begins to look like his father.
The beauty of mathematics lies not only in its ability to describe the world but also in its power to reveal the hidden structures that govern it.
The historian's first duty is to tell the truth as he sees it, regardless of whom it pleases or displeases.