Cf: Bashfulness is an enemy to poverty (Br.). Bashfulness is no use to the needy (Am.). Dumb folks (men) get no lands (Br.). Не that cannot ask, cannot live (Br.). It is only the bashful that lose (Am.). The lame tongue gets nothing (Br.). Modest dogs miss much meat (Am.)
Русско-английский словарь пословиц и поговорок. Академик.ру. 2013.