人声是最美的乐器，也是最难演奏的乐器。
The human voice is the most beautiful instrument of all, and the most difficult to play.
真相很少是纯粹的，也从不简单。
The existence of the natural world is the same kind of fact as the existence of any proposition.
The elements of consciousness are the irreducible components of mental life.
有时最简单的问题会引出最深奥的理论。
领导力不是掌控他人，而是照顾好你负责的人。