我们必须始终质疑我们的假设，并愿意根据新的证据修正我们的理解。
We must always question our assumptions and be willing to revise our understanding in light of new evidence.
The great cause of the prosperity of the country is liberty—liberty in the economic system.
The best companies are started not because the founder wanted a company but because the founder wanted to change the world.
A city’s greatness is measured by its public spaces.