Hindsight the ability to understand, after something has happened, why or how it was done and how it might have been done better.
Here is a post from 2016, November 13th.
Here is an extract from a post by a friend. I hope my friends from my club will meditate upon it and try to understand my stand on some important matters."Having a passion means to have such an intense grip on a problem you can’t stop thinking about solving; it means learning about and spending time with that problem as much as possible, and as long as it takes for ideas to manifest on how you might go about finding a solution. "