"I'd never given much thought to how I would die, but dying in the place of someone I love seems like a good way to go."
对于系统,翻版的模拟是在控制图中添加一个创建循环的边,而不仅仅是一个附加节点。
I don't believe in happy endings, I believe in necessary endings.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.