The only limit to our realization of tomorrow is our doubts of today.
A sustainable business isn't just good for the planet—it's good for business.
The challenge of acting is not to show, but to reveal.
Immigration has a much smaller effect on native wages than most people believe.
我不与任何人竞争，只与自己竞争。我最大的对手就是我自己。
The only way to learn a new programming language is by writing programs in it.
The anointed don't like to talk about painful trade-offs. They like to talk about happy "solutions” that get rid of the whole problem- at least in their imagination.
The mathematics of spin glasses revealed a hidden structure that applies to many seemingly unrelated problems.