The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

I draw from the crowd a lot.

Dreams are not the exclusive right of the young, but the common language of all who strive for progress.

领导力不是发号施令，而是激励他人成就伟大。

Cuando estoy en el escenario, siento que estoy en casa.

我们要加强国际合作，共同应对能源安全和气候变化的挑战。

The most exciting discoveries often come from questioning what everyone else takes for granted.

The books that we reread the most are the ones that most clearly describe the world we already know.