Self-discipline is the key to success.

自律是成功的关键。

A self-disciplined child is more likely to succeed in school and in life.

自律的孩子更有可能在学习和生活中取得成功。

Discipline is one of the key elements of success in every area of life.

自律是生活中各个领域成功的关键要素之一。

Without discipline, there is no sustained achievement. With a lack of discipline, there is a lack of success.

没有自律，就没有持久的成就；缺乏自律，就没有成功。

Be disciplined. This means setting goals, sticking to schedules, and prioritizing tasks.

要自律。这意味着设定目标、坚持时间表和优先处理任务。

这些演讲内容强调了自律在孩子成长和学习中的重要性，并提供了具体的自律建议和方法。希望这些内容对您有所帮助。