I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

La verdadera libertad es la libertad de pensar, de crear, de soñar.

要解决复杂的问题，我们必须首先理解产生这些问题的系统。

做出伟大事情的唯一方法是热爱你所做的事。