世界是一本书，不旅行的人只读了一页。

译文：人生得一知己必须要对知己问心无愧，读书人多读书，一定要学以致用。赏析：做人做事凭着良心方能服众，才不会招致怨愤和祸患。读书的目的就是学以致用，我们不能读死书，死读书，我们要让书中的知识来指导我们的生活。

"We are all atheists about most of the gods that humanity has ever believed in. Some of us just go one god further."

The most powerful weapon you have is your voice, use it to inspire, to heal, and to change the world.

The writer must be a witness to history, even if history ignores him.

The best way to predict the future is to create it.

In computer science, we often have to deal with systems that are too complex to understand all at once.