That's a tall order. Most ambitious people are driven for results and doing more, not less. If you're an entrepreneur, for example, you are relentless in your pursuit of capitalizing on every opportunity presented to you if it means growing your business and income.

1. Say no to opportunities and things that don't speak to your values, or further your personal or organizational mission
2. Say no to superficial networking. Really successful people don't network. They...

Billionaire Warren Buffett , chairman and CEO of

While it's true that many successful and high-profile entrepreneurs put in 60 to 80 hours per week, really successful people don't neglect their mental health and self-care or time with family, hobbies, or other interests. They recognize that if they can't take care of themselves...

But here's what we can do, and is very much within our control: choose how to use that time by managing ourselves wisely.

As we near the end of the year, this is typically the time people start thinking about what goals to set for the new year. Here’s one suggestion to add to your list based on Buffett's advice:

Learn to manage yourself .