To me, happiness is about three things: someone to love, something to do, and something to look forward to.
The only way to do great work is to love what you do.
比开始某事并失败更糟糕的是根本不开始。
我不会想要跳过7英尺高的障碍:我向四周寻找我可以跨过去的一英尺高的障碍。
科学是人类认识世界、改造世界的强大武器。
It is a first principle of human action that a man does what he believes will satisfy his desires.
The only way to do great work is to love what you do.
Time travel is the most frustrating thing in the world. You can't change anything, and you can't stop anything from happening.