The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
生活就是不断成长和进化。
Understanding the fundamental limits of quantum computation is crucial for its future development.
如果你不能得到奇迹，那就成为一个奇迹。
If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law.