一幅图画是一个事实。
A picture is a fact.
持续改进不仅仅是一个口号，它应该是我们的日常实践。
上帝赋予我看到连接数学不同部分的类比的能力。
The meaning of "knowing" has shifted from being able to remember and repeat information to being able to find and use it.
The surest way to prevent war is not to fear it.