一个仅仅接受学校教育的孩子是个未受真正教育的孩子。

追求权力是国际体系中各国的首要目标。

最好的决策是在数据和经验的交汇处做出的。

Leadership means making tough decisions today for a better tomorrow.

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.

One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.

Hope is what enables us to keep going in the face of adversity.

我不喜欢被一件事定义。我不仅仅是一个网球运动员。