There’s an old saying you’ve probably heard before: measure twice, cut once. It’s oft used by carpenters, glass cutters, and folks in the construction or manufacturing businesses. I’ve even heard it at Home Depot by a sales clerk trying to help a customer make plans for a DIY project. It’s a reminder there’s only one chance to get it right. Otherwise it could cost time, materials, and money.
By extrapolation, I think the old proverb has a fit for life in general too …