If you want to perform at a high level, you’ll need to be resilient. The way to build this mental skill is by overcoming unexpected challenges that come your way. While we all experience roadblocks, you don’t have to wait for one to happen. “Being mentally resilient is the ability to endure pain for long periods of time,” she says. “The highest performers use mental frameworks that fundamentally change the way they see the world.”

David Rubenstein is fascinated with leadership. The Carlyle Group co-founder interviews CEOs, entrepreneurs, and game changers in his book How to Lead. The interviews include everyone from Indra Nooyi to Jeff Bezos and offer fascinating insights for anyone who aspires to greatness.

If this year’s resolutions reflect previous years’ resolutions, 80% of people will fail. Why such little success? Unfortunately, the seeds of failure are built into the resolutions themselves. Though crafted with good intentions, these resolutions are all framed as outcomes. For example, losing weight isn’t something you do; it’s an outcome of other things you do (e.g., change your diet, exercise).