The second half of an old saying that
司马迁 quotes in the
史记 to close his life of the general
李广:
桃李不言,
下自成蹊. Peach and plum trees call no one, yet people come for their blossom and fruit and wear a path beneath them. Li Guang was a plain man who could hardly make a speech, yet when he died the whole empire mourned him.