Be sure to succeed next time: This sentence expresses determination and confidence in the future, indicating that you will succeed in your next effort, whether in your studies, work or other aspects of your life.

We must make progress next time: This sentence emphasizes the individual's pursuit of continuous growth and continuous improvement. It may point to a positive attitude, hoping to make progress and improvement in every attempt.

We must overcome difficulties next time: This sentence implies the determination to remain optimistic and persistent in the face of difficulties or challenges. It expresses the determination and confidence to overcome difficulties in the next opportunity.