Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.
快乐的情感是来源于与不好的事的对比，而快乐本身并没有任何意义。
We cannot be sure of having something to live for unless we are willing to die for it.
I’m convinced that about half of what separates the successful entrepreneurs from the non-successful ones is pure perseverance.
"We're going on a bear hunt. We're going to catch a big one. What a beautiful day! We're not scared."
对于一个倾注一生心血开发产品的工程师来说，最糟糕的事情莫过于成果被人剽窃。