The problem with quantitative easing is that it works in practice but it doesn't work in theory.

真相并不总是美丽的，但对真相的渴望是美丽的。

The only way to do great work is to love what you do.

The value of drones lies not in flying, but in implementation.

The concept of law is essentially a matter of social fact.

艺术是一种视觉思考的方式。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.