What does the phrase "the best is the enemy of the good" mean and how can it be applied in various aspects of life?

The phrase "the best is the enemy of the good" means that striving for perfection can prevent us from achieving something good or satisfactory. This can be applied in various aspects of life by reminding us not to get so caught up in perfectionism that we miss out on opportunities for progress or success. It encourages us to be content with what is good enough rather than constantly seeking perfection, which can lead to frustration and missed opportunities.