The richness I achieve comes from Nature, the source of my inspiration.

Leadership means making tough decisions today to ensure a better tomorrow.

创新区分了领导者和追随者。

最重要的是保持头脑活跃。

数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

Thinking consists in envisaging, realizing structural features and structural requirements.

我认为对自己有幽默感很重要。