Invention (proverbially)
[DOC] [TLE] proverbially - definition and meaning - Wordnik [PAR] Necessity, proverbially, is the mother of invention, and human responsiveness to 
necessity has regularly mothered the necessary inventions or brought about... [DOC] [TLE] Necessity is the mother of invention - Wikipedia [PAR] ...let us begin and create in idea a State; and yet a true creator is necessity, which 
is the mother of our invention.