Economic theory provides the tools, but real-world testing refines them.
"Stay humble and never forget where you came from."
真正的老师会保护学生免受他个人影响。他激发自信。他将他们的目光从自己引导到激励他的精神。他不会拥有门徒。
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.