大勇若怯，大智若愚
dà​yǒng​ruò​qiè​dà​zhì​ruò​yú

the truly brave and wise appear simple

大勇若怯，大智若愚 dà​yǒng​ruò​qiè​dà​zhì​ruò​yú
the truly brave and wise appear simple
the greatest courage may appear like cowardice, and the highest wisdom may appear like stupidity; used to describe how exceptional talent or virtue is often hidden behind a humble or unassuming appearance