mental-toughness 5
- Meditations by Marcus Aurelius: How to Build an Unconquerable Mind
- Can't Hurt Me: Why Your Mind Quits Long Before Your Body Does (And How to Fix It)
- The Power of Discipline: How to Stop Waiting for Motivation and Start Building Mental Toughness
- The Unending Climb: A Mentor’s Guide to David Goggins’s 'Never Finished'
- Andromeda Nebula — And Why Your Greatest Strength Is Built in the Dark