In business, the market gives you feedback in real time. Your sales figures tell you what's working, what isn't, and how you need to change. If you don't listen to the feedback, you go belly up. In philanthropy, there is no market.

Quote

“In business, the market gives you feedback in real time. Your sales figures tell you what's working, what isn't, and how you need to change. If you don't listen to the feedback, you go belly up. In philanthropy, there is no market.”