The best way to learn econometrics is by doing—working with real data and real problems.
The sculptor must search with passionate intensity for the hidden significance of life.
The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently, we must be willing to change our belief system, let the past slip away, expand our sense of now, and dissolve the fear in our minds.
一个人首先是物质的东西,容易撕裂,不容易修补。
You don't know what's in store, but you know what you're here for.