Children's books should challenge as well as comfort.
The best part about life is that it's unpredictable.
I'm the kind of person that has to learn the hard way.
The most important single aspect of software development is to be clear about what you are trying to build.
质量不是偶然；它是一种决定。
The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.