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The challenge in model checking is not just to find errors, but to understand why they occur.
模型检查的挑战不仅在于发现错误,还在于理解它们为何发生。
If you’re not failing occasionally, you’re not pushing hard enough.
"When we love, we always strive to become better than we are. When we strive to become better than we are, everything around us becomes better too."
The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.