The most important questions of life are, for the most part, really only problems of probability.

"Books can be dangerous. The best ones should be labeled 'This could change your life.'"

合作是解决全球最大健康挑战的关键。

The most important single aspect of software development is to be clear about what you are trying to build.

如果不给儿童提供帮助，如果忽视他的环境，那他的精神生命将会处于持续的危险之中。