In sinu gaudere.
http://lila-erc.eu/data/lexicalResources/LatinPortuguese/Velez/id/UsageExample/n1445.sg01.s99.u02 <http://www.w3.org/ns/lemon/lexicog#UsageExample>
In sinu gaudere.
In sinu gaudere,
alegrar-se comsigo, ou com os seus.