Mental toughness is a state of mind - you could call it 'character in action.'
Success is like anything worthwhile. It has a price. You have to pay the price to get to the point where success is possible.
The price of success is hard work, dedication to the job at hand
Winning isn't everything, it's the only thing.
When you are through trying to improve, you are through.
Individual commitment to a group effort - that is what makes a team work, a company work, a society work, a civilization work.