Intus canere
http://lila-erc.eu/data/lexicalResources/LatinPortuguese/Velez/id/UsageExample/n0583.sg01.s99.u04 <http://www.w3.org/ns/lemon/lexicog#UsageExample>
Intus canere
dicitur, qui, quidquid agit, ad domesticam fert utilitatem.
Intus canere