| 21. | A marathon is a test of physical endurance and mental toughness.
|
| 22. | Mental toughness can take you a long way in this game,
|
| 23. | With his mental toughness, I think he can fight through anything.
|
| 24. | He preaches mental toughness and being mentally prepared for the game.
|
| 25. | The Mexican combination of conditioning and mental toughness have paid off.
|
| 26. | And not just the physical talent, but also the mental toughness.
|
| 27. | Our team has developed a mental toughness that helps us persevere.
|
| 28. | Kasparov is known for his mental toughness and psychological shrewdness.
|
| 29. | He has both the mental toughness and the physical toughness.
|
| 30. | The mental toughness she possesses is unmatched in this game.
|
