Data without action is just noise in the aquaculture revolution.
Science is a never-ending journey, and there is always more to learn and discover.
The deep, personal material of the latter half of your life is your children. You can write about your parents when they're gone, but your children are still going to be here, and you're going to want them to come and visit you in the nursing home.
The key to innovation in economics is to question conventional wisdom.