Idealistic people who have moralistic notions about how people should behave without understanding how people really do behave do more harm than good. #principleoftheday (1/5) 
As a global macroeconomist and businessman and as a philanthropist I have seen this repeatedly in all those domains. (2/5)
I have come to believe that as well-intentioned as they are, impractical idealists are dangerous and destructive, whereas practical idealists make the world a better place. (3/5)
To be practical one needs to be a realist--to know where people's interests lie and how to design machines that produce results, as well as metrics that measure those benefits in relation to the costs. (4/5)
Without such measures, waste will limit or erase the benefits, and with them the benefits will keep flowing. (5/5)
• • •
Missing some Tweet in this thread? You can try to
force a refresh
