The true cost of coal isn't just in its price, but in how we manage its consequences.

The next generation of scientists will solve problems we can’t even imagine today.

We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.

I'm a perfectionist, but I've learned to let go.

Cada libro es un mundo por descubrir, lleno de sorpresas y enseñanzas.

Quality is not a technique, it is a philosophy.

信仰是生命的意义，这种感觉使人不毁灭自己，而是继续活下去。