Final answer:
The statement is false as successful retirement usually entails maintaining an active lifestyle, managing finances wisely, and having a balanced routine that could involve hobbies, volunteering, or part-time work.
Step-by-step explanation:
The statement that the key to successful retirement is doing as little as possible is false. Successful retirement planning typically involves staying active both physically and mentally, maintaining social connections, managing finances to ensure adequate income, and often includes engaging in leisure activities, hobbies, or part-time work. Moreover, many retirees find that this stage of life is an opportunity to explore new interests, volunteer, travel, or spend more time with family and friends.