语言是来自外太空的病毒。

The hardest thing to explain is the glaringly evident which everybody had decided not to see.

"We are all detectives of our own lives, piecing together clues from the past."

经济学的第一课是稀缺：从来没有足够的任何一种东西能够满足所有人对其需要。政治学的第一课是摒弃经济学的第一课。

最重要的是通过给予人们超出他们当前能力的任务来培养他们的能力。