一个人固守道德而不能发扬光大，信仰主张又不能坚定不移，这种人有他不能算有，没有他不能算无。

The only limits in life are those you impose on yourself.

Tomorrow will be better for as long as America keeps alive the ideals of freedom and a better life.

创新不仅仅是技术的问题；它关乎我们思考和行动方式的改变。