The best investment you can make is in yourself.

Technology is nothing if it doesn't solve real problems.

The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.

二战前生活很简单。之后，我们有了系统。

You can't manage what you don't measure.

善良是一种聋子能听见、盲人能看见的语言。