dobré zboží se chválí samo angolul

good wine needs no bush▼(something good does not need to be advertised)
phrase
[UK: ɡʊd waɪn niːdz nəʊ bʊʃ] [US: ˈɡʊd ˈwaɪn ˈniːdz ˈnoʊ ˈbʊʃ]