His words reminded me of the proverb 'good advice may be uncomfortable to hear.'

His words are always sweet on the surface but venomous underneath.

He opened his mouth in surprise.

He is able to both talk and do, and can handle any job.

I am planning to travel to the Chugoku region next week.

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 gargle every night before going to bed.