"Life, he realize, was much like a song. In the beginning there is mystery, in the end there is confirmation, but it's in the middle where all the emotion resides to make the whole thing worthwhile."

"Un libro es una conversación íntima entre el autor y el lector a través del tiempo."

The truth is, we are all capable of great evil and great good. It is the choices we make that define us.

数学是上帝用来书写宇宙的语言。