自律的英语句子包括：
Self-discipline is the cornerstone of success.
自律是成功的基石。
Self-discipline keeps one focused.
自律让人保持专注。
Without self-discipline, it's hard to achieve anything.
缺乏自律，难以取得成就。
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校和生活中取得成功。
这些句子都强调了自律在成功和个人发展中的重要性和作用。