Grit (lap 1)

... courage and determination: firmness of mind, unyielding spirit and the mental strength to persevere through hardship, danger or long term challenges. The combination of sustained passion and long term perserverance toward difficult goals despite setbacks. [Belonging to the family known as or under/within the 'psychology of effort'. -Angela Duckworth]

Synonyms: fortitude, tenacity, backbone, resilience, determination and pluck; to name just a few.

Antonyms: capitulation, fickleness, irresolution, vacillation, inconstancy, cowardice, timidity, spinelessness, apathy, lethargy, sloth and complacency; to name some but certainly not all.

TRECHO

"This team is going to have my personality; it's going to have my grit." -Kobe Bryant

"It was a gross, physical salute to the fantastic possibilities of life in this country, but only for those with true grit. And we were chock full of that." -Hunter S. Thompson

"True grit is making a decision and standing by it, doing what must be done."

-John Wayne

"Most of the time it's not about having a gift; it's about having grit."

-Roger Federer

"I pray God send a few men with what the Americans call 'grit' in them; men who when they know a thing to be right, will not turn away from it." -Charles H. Spurgeon