實現(xiàn)任何有價值的事情的三個重要要素是：努力工作、堅持不懈和常識。
The past is a shadow that follows us, but it doesn't have to define us.
著眼長期，思考世界上正在發(fā)生的結(jié)構(gòu)性變化。
Peace if possible, truth at all costs.
The only way to learn a new programming language is by writing programs in it.