我这一代人最伟大的发现是，一个人可以通过改变态度来改变他的生活。
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
善恶之间的界限是可渗透的，任何人都可以跨越。
We are all potential fossils still carrying within us the traces of our former selves.
我们必须设计本质上是恢复性和再生性的系统。
Learning makes wise, but does not make happy.
La literatura no es más que un sueño dirigido.