The concept of a Turing machine is foundational to our understanding of computation.
电脑只是一个工具。铅笔也是一个工具。关键在于你如何使用它。
People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them.
The act of discovery is not reserved for the genius alone.
