法国是欧洲的灵魂。

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

除非有勇气看不到海岸，否则你无法游向新的地平线。

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

在一个快速变化的世界里，诚信和质量的价值观是永恒的。

成功建立在信任的基础上——信任你的团队、你的产品和你的客户。

数学的美只向更有耐心的追随者展示。