学然后知不足
xué rán hòu zhī bù zúxueranhouzhibuzu
- to learn is to know one's ignorance (the Book of Rites 禮記|礼记[Li3 ji4])
xué rán hòu zhī bù zúxueranhouzhibuzu
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences