I don't think Michael Jordon was disciplined. I think he was dedicated because he loved it and had a unique athleticism that made it highly enjoyable for him.
The motivation industry pushes reductionist ideas and paternalistic lecturing, they treat everything as a behavioral concern or attitude problem. I'm sure it makes them feel great about themselves. Our attitudes are a direct reflection of our health you can't really just change them, you can delude yourself though.
Energy is everything. Get that sorted and there's no need to force yourself to do anything.
Society is made up of word games and mental tricks dispensed by authority figures, PR liars, moron psychologist posers etc that function to keep you down. Laziness is actually fatigue, a biological problem.
Discipline is the domain of authoritarian institutions such as the military and the school system or BDSM practitioners.