我没有你想的那么好在我心里你是那么好
[wŏ méi yŏu nĭ xiăng de nèi me hăo zài wŏ xīn lĭ nĭ shì nèi me hăo]
'I'm not as good as you think, but in my heart, you are that good.' Admitting personal imperfections and flaws while highly praising someone else's goodness. The person humbly acknowledges their shortcomings against the virtue they see in another person.