我是太阳暖人心我是月亮放光芒
[wŏ shì tài yáng nuăn rén xīn wŏ shì yuè liàng fàng guāng máng]
This translates to 'I am the sun warming hearts; I am the moon shining bright'. It implies someone who sees themselves as providing warmth and guidance to others like celestial bodies do.