When I looked into her eyes, the phrase 'the eyes are the window to the soul' came to mind.

When I look into her eyes, it's like I can see her heart. That's because the eyes are the window to the soul.

This kanji has the left 'heart' radical (立心偏).

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

Aishinka is my best friend.

He is working on the project wholeheartedly.

The doctor used an electrocardiograph to check the condition of my heart.

I recite the Heart Sutra every day.

Every morning, I chant the Heart Sutra.

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.