不要总以为你是好的
[bù yào zŏng yĭ wéi nĭ shì hăo de]
'Bù yào zǒng yǐ wéi nǐ shì hǎo de' directly means 'Do Not Always Think You're Good.' The user might wish to show modesty, humbleness and a learning attitude, expressing the idea that self-examination and improvement are important as nobody is perfect.