I find I'm so excited. I can barely sit still or hold a thought in my head. I think it the excitement only a free man can feel, a free man at the start of a long journey whose conclusion is uncertain. I hope I can make it across the border.I hope the Pacific is as blue as it has been in my dreams. I hope to see my friend, and shake his hand. I hope.

真相并不总是最好的故事。

The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.

Understanding the cosmos requires transcending the senses, reaching deeper levels through rational inference and contemplation.

数学是秩序和模式的科学，正是这种秩序让我们能够理解周围的世界。

The best way to predict the future is to invent it.