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The way to get started is to quit talking and begin doing.

Hope can be a powerful force. Maybe there's no actual magic in it, but when you know what you hope for most and hold it like a light within you, you can make things happen, almost like magic.

Each success only buys an admission ticket to a more difficult problem.

Understanding the limits of computation is as important as understanding the capabilities.

現(xiàn)實(shí)總是比小說(shuō)更豐富、更復(fù)雜。

閱讀只為心靈提供知識(shí)的材料；是思考使我們所讀的東西成為我們自己的。