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数学中最深刻的思想往往来自最简单的问题。
The most profound ideas in mathematics often come from asking the simplest questions.
The challenge in model checking is not just to find errors, but to understand why they occur.
死者离我们并不远。他们在我们的心中和脑海里,最终将我们与他们分开的只是一口气,最后一口气。
The most important thing in communication is hearing what isn't said.