use the word discipline

Sentence 1: In order to achieve their goals, athletes must have discipline in their training routines and diet.

Sentence 2: The strict discipline imposed by the military ensures that soldiers follow orders and maintain a high level of professionalism.

Sentence 3: Parents play a crucial role in teaching their children discipline, which helps them develop self-control and respect for authority.

Sentence 4: Successful entrepreneurs have the discipline to set clear goals, stay focused, and persevere through challenges.

Sentence 5: The practice of meditation requires discipline to cultivate a regular mindfulness routine and strengthen mental resilience.