书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问。
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors."
数学的语言是普遍的，超越了文化和语言的障碍。
纯粹经济学与纯粹政治学之间的桥梁是公共选择理论。
人的精神本喜欢清净，但被心所扰乱；人心本喜欢宁静，但被欲望所牵引。
"The stories we tell ourselves shape the world we live in."
I was in the middle before I knew that I had begun.