The phrase "a model of discipline" is correct and usable in written English.
It can be used to describe someone or something that exemplifies or sets a standard for discipline.
Example: "She is a model of discipline, always adhering to her schedule and maintaining focus on her goals."
Alternatives: "an example of discipline" or "a paragon of discipline".
Jonathan and Christopher Nolan's screenplay for The Dark Knight is a model of discipline in its attempt to infuse a pulp format with heavyweight contemporary concerns and real-world nuance.
"But for me he was a model of discipline and courage, a man who dedicated his entire life to literature and ideas; and he could afford to be generous to other writers because he was on the top of the pile".
A man who has never run any public body of any note is a risk, even if his campaign has been a model of discipline.And the Obama phenomenon would not always be helpful, because it would raise expectations to undue heights.
He has always been a model of discipline and concentration, a very graceful, silky player who is an absolute master of his craft.
I will not talk about Accenture, Tag Heurer, AT&T, or any of Woods' other corporate sponsors, who were right to commit millions to the idea that Woods was a model of discipline, yet were hustled like bumpkin-in-the-big-city tourists in front of a three card monty table by IMG.
Only a few years ago, the party was considered a model of lockstep discipline with around-the-clock message control and seamless coordination of policy and politics.
Japan has hardly been a model of fiscal discipline up to this point, and despite substantial Bank of Japan purchases of government debt there remains quite a large, and growing, stock of Japanese sovereign debt outstanding.
One of his superiors praised him: "You have been a model of proper discipline and subordination, strictly attentive to duty, promptly obedient to orders, and acting with a wise discretion in all matters requiring the exercise of your individual judgment".
Mr. Schoenberg's extraordinary range is what we hope to see in the museum: an illumination of jazz as an art form, a teaching instrument, a model of combined discipline and improvisation and a supreme narrative, literary and musical, that has flowed through virtually every capillary of the nation's culture and set the mood for what we Americans think and feel about ourselves.
BBC Radio Sussex's Adrian Harms: "It was a terrific day for Sussex and particularly for 22-year-old Luke Wells, a model of self discipline, concentration, and excellent shot selection.
She has been a model of self-discipline ever since.
