数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The true value of a forest cannot be measured in board feet alone.
To solve complex problems, we must first understand the systems that create them.
人的本性是恶的，那些善良的行为是人为的。
我不想只是制造东西。我想让东西变得更好。
