You have to expect things of yourself before you can do them.
My dad was my best friend and greatest role model.
I'm not a role model, I'm a cautionary tale.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
每个物体都有潜力,我们的任务是释放它。
我们相信上帝。其他所有人都必须提供数据。