The best economic insights come from observing how people actually behave.
最好的经济洞见来自于观察人们的实际行为。
种树的最佳时间是20年前,次佳时间是现在。
Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.