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.

He passed the graduation examination.

We will conduct a practical test of the new product next week.

There is a mock exam next week.

He passed the bar examination.

I have an oral examination tomorrow.

His opinion is our litmus test.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.