Pareto principle

16 Tips for Getting 90 Percent of Your Work Done Before Lunch

Imagine this. By the time lunch rolls around, you push back from your desk with a satisfied sigh, saunter off to your car, and drive off to have a leisurely, stress-free lunch, daydreaming about the 18 holes that you’re going to play for the rest of the day. This can be for real.
— Neil Patel