The truth is not always what we want to hear, but it is what we need to know.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。
创新不仅仅是创造新产品,而是重新构想我们如何解决问题。
反馈是鲁棒控制的关键。