The realities are that, you know, as a black man, Barack can get shot going to the gas station.

计算机科学中的挑战不仅仅是解决问题，而是理解为什么它们首先是问题。

We have a responsibility to use our science to improve lives, not just to make profits.

计算的未来不仅仅是关于设备，而是硬件、软件和服务的无缝集成。