He cautioned not to speak ill of others, saying, 'Illness enters by the mouth, and disaster does not come out of it.'

He is truly demonstrating talent that surpasses his master, just as the saying 'the student has surpassed his or her teacher' goes.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

He was promoted to the chief operating officer of the company.

He was appointed as the chief financial officer of our company.

He was appointed as the chief executive officer of the company.

He always keeps the proverb 'Do not make friends with those who are not like you' in mind.

He is the chief technical officer of our company.

He is active as the chief information officer of our company.

After he left, she remembered the proverb 'feelings for a departed one grow weaker over time'.