Every great engineering achievement starts with a clear vision.
每一项伟大的工程成就都始于一个清晰的愿景。
What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.
我坐在黑暗中。很难弄清楚什么更糟糕：里面的黑暗还是外面的黑暗？
What people need and what they want may be very different.