My children taught me that love has no limits.
时间是我们能够感知变化的唯一维度。
Every magician has a different way of seeing the world, and that is what makes their magic unique.
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。