学习速度现在是商业中唯一可持续的竞争优势。

He who is not contented with what he has，would not be contented with what he would like to have.

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

In mathematics, the journey is just as important as the destination; the process of discovery is where the real learning happens.

The beauty of a mathematical idea is that it can be shared and understood across cultures and time.

"Words are the most powerful weapons; they can build empires or destroy them."