The 80/20 approach to succeeding in business and in life involves focusing on the 20% of actions that will yield 80% of the results. By setting clear goals, developing a growth mindset, building strong relationships, continuously learning and improving, and taking calculated risks, we can identify the 20% of actions that will have the greatest impact on our success. By focusing on these key actions and prioritizing them above all else, we can achieve our goals more efficiently and effectively.