I don’t want to be negative, but writing a mathematical proof and planting a tree are about the worst metaphors I could possibly think of. Building a house is

I don’t want to be negative, but writing a mathematical proof and planting a tree are about the worst metaphors I could possibly think of. Building a house is probably a better example for something that could be infinitely maintained and improved. After the bad metaphors, all the article really says is “do visible work and finish it”. This seems obvious.