你无法控制发生在你身上的事情，但你可以控制你如何回应。

I don't know what the future holds, but I know who holds the future.

Work spares us from three evils: boredom， vice， and need.

I never regret my choices because that's my life.

The language of mathematics is universal, transcending cultural and linguistic barriers.

I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.

Innovation is the key to staying ahead in a competitive market.