"Books are the keys to understanding the world and ourselves."

If you do not tell the truth about yourself you cannot tell it about other people.

除非一个方程式表达了上帝的旨意，否则对我来说毫无意义。

解读：仅怀着善良动机远远不够，若缺乏理性思考与科学规划，盲目推行一些举措，哪怕初心美好，也可能引发灾难性后果，警示做事要考量手段与实际效果。