When you retire, it's a place in life, a part of the journey. You just don't quit work; you develop an attitude where you can do what you please.
Motivation is everything. You can do the work of two people, but you can't be two people. Instead, you have to inspire the next guy down the line and get him to inspire his people.
An honest politician has no goodies to toss around. This limits his effectiveness profoundly, because political power in India is dispersed throughout a multi-tiered federal structure; a local official who has not been paid off can sometimes stop a billion-dollar project.