Related:

• Mother is the invention of necessity.
• Necessity is a Mother -- no invention!
• Necessity is the mother of inventio
• I believe they talked of me, for they laughed consumedly.
  -- George Farquhar (1678-1707) -- The Beaux' Stratagem, Act iii, Sc. 1...
• T was for the good of my country that I should be abroad.
  -- George Farquhar (1678-1707) -- The Beaux' Stratagem, Act iii, Sc. 2...
• Mater artium necessitas. [Necessity is the mother of invention].