不要一味自作聪明不要一味自作多情
[bù yào yī wèi zì zuò cōng míng bù yào yī wèi zì zuò duō qíng]
'Do Not Be Too Self-important, Nor Too Sentimental'. It cautions against being overly confident or self-centered in intelligence and romantic feelings, highlighting humility and modesty.