Success is not final,failure is not fatel,it is the courage to continue that connts.
"To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others."
思考是智力的劳动,梦想是智力的欢愉。
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, "Soften the orange a bit on the right hand corner." I don't try to control a sunset. I watch with awe as it unfolds.
抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。