The only limit to our realization of tomorrow is our doubts of today.
实现明天的唯一限制是我们今天的疑虑。
自然实验可以为经济问题提供有价值的见解。
The realization of a practical quantum computer will require breakthroughs in both hardware and software.
"In God we trust. All others must bring data."
The best books are those that challenge you.
"No hay nada más peligroso que una idea cuando es la única que se tiene."