Valued Function Peter Drucker in his book, “Management Challenges for the 21st Century,” said: “Most people think they know what they are good at. They are usually wrong. People know what they are not good at more often... and even there people are more often wrong than right. And yet, one can only perform with one’s strength. One cannot build performance on weaknesses, let alone on something one cannot do at all.” Put slightly differently, you should expend energy at a place where you have the greatest effect. More often than not, the vision of most visionaries are driven either by contribution, that is, to give back to the society; influence, that is, the political leverage to effect the much needed change in the social order; or profit, that is, to get return on capital investment. Whichever motivation drives you, as a visionary, it is necessary to balance energy to effect ratio, E2E r , in order to valuate and/or appraise your contribution. The ...