黑夜没光我害怕我是黑夜那道光
[hēi yè méi guāng wŏ hài pà wŏ shì hēi yè nèi dào guāng]
It's an expression of loneliness and fear, meaning 'I am afraid, I am the light in darkness'. This suggests that while everyone is afraid of the dark, there must always be one willing to provide guidance.