I'm the reason your president can't lead.
Challenges are what make business interesting; overcoming them is what makes it rewarding.
每一部伟大的作品都是作者与读者之间的一种无声对话。
我们今天所做的每一个决定都在塑造我们明天生活的世界。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.