Do the minimum to achieve the effect you need.
Minimum Effective Dose is a concept from the world of medicine. To treat illness doctors prescribe drugs. Drugs, however, come with undesired side-effects. A recurring pattern happens as your increase the dose of most medicines… treatment efficacy degrades (due to the Law of Diminishing Returns) whole the negative impacts of side-effects continue to increase. The best way to combat this issue is to utilize the smallest possible dose to achieve the desired result.
This same exact concept can be utilized to lead a more productive, more efficient lifestyle. When applied to working on Projects, minimum effective dose becomes Minimum Viable Progress.