实证研究者最重要的技能不是数学，而是判断力。
想象力创造现实。
A man's life of any worth is a continual allegory.
The modern world has made us free, but it has also made us miserable.
释义：清风虽有意挽留却难以留住我，明月虽无心却自然地照耀着我。