Be prepared: When you are 90% done any large project (a house， a film， an event， an app) the rest of the myriad details will take a second 90% to complete.

"What is a poet? An unhappy person who conceals profound anguish in his heart but whose lips are so formed that as sighs and cries pass over them they sound like beautiful music."

我们对自然的自觉认识所能解决的最直接且在某种意义上最重要的问题，是对未来事件的预测，以便我们能根据这种预测安排当前的事务。

我不是榜样，我是自由的灵魂。

科学以冒险的精神前进，总是寻求未知。