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

By training the orbicularis oris muscle, your expressions become more expressive.

He took action to stir up unnecessary problems, like poking a bush and bringing out a snake.

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

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.