Sometimes the best way to help the poor is to give them cash and let them decide how to spend it.

The essence of computational complexity is to understand the limits of what can be computed efficiently.

那些将环境挑战视为创新机会的公司将会蓬勃发展。

Nature is to be followed, but only when it is refined by art.

快乐不是因为拥有的多，而是计较的少。