He is an excellent student.

He proved his excellence in that project.

His actions proved his innocence.

We should always remember the power of Kannon in difficult times.

He hired a lawyer to prove his innocence.

He utilized his project management skills to start a new business.

He declared the project to be proven and finished.

You need to submit a certificate.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

I can't find my birth certificate.