His comfortableness becomes most apparent when he laughs from the heart.

In Chinese astronomy, there is a constellation called Heart.

His design is always full of playfulness.

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 love eating snacks.

Every morning, he has a habit of reciting the Heart Sutra.

His curiosity always drives him to learn new things.

I was diagnosed with fatty heart by the doctor.

Please teach me how to calculate the circumcenter of this triangle.

He is always a person who pays attention to the feelings of others.