I love argument, I love debate. I don't expect anyone just to sit there and agree with me, that's not their job.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

The only meaningful way to study learning is through objective measurement.

广东话谚语

"The happiness we found, the moments we felt, they’re all real."

我们每个人的头脑中都带着一本进化用户手册四处走动，但大多数人没有意识到这一点。