理解量子世界的追求不仅仅是一项科学努力；它是对存在本质的探索之旅。
高效算法的开发对于技术和科学的进步至关重要。
The more you know yourself, the more patience you have for what you see in others.
Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.
