In computing, turning the obvious into the useful is a living definition of the word 'frustration'.
要解决这个难题，我们可能需要扩展我们的物理世界观。
数学的快乐来自于为理解而奋斗。
To understand the future, one must first understand the past.
"The challenge of biography is not just to record, but to illuminate."
"Exile is not just a geographical concept. You can be an exile in your homeland, in your own house, in a room."