Vous avez cherché: magistratum in re sociali (Latin - Anglais)

jus in re
right in rem

fundamentum in re
basis

ius in re aliena
rights in foreign

sauvita in modo fortier in re
sauvita in the way stronger in re

amicus certus in re incerta cernitur.
a friend in need is a friend indeed.

ego plene. in re publica leges legibus et eodem metered
i fully agree

dixitque ioab regi adaugeat dominus deus tuus ad populum quantus nunc est iterumque centuplicet in conspectu domini mei regis sed quid sibi dominus meus rex vult in re huiuscemod
and joab said unto the king, now the lord thy god add unto the people, how many soever they be, an hundredfold, and that the eyes of my lord the king may see it: but why doth my lord the king delight in this thing?

non comedi ex eis in luctu meo nec separavi ea in qualibet inmunditia nec expendi ex his quicquam in re funebri oboedivi voci domini dei mei et feci omnia sicut praecepisti mih
i have not eaten thereof in my mourning, neither have i taken away ought thereof for any unclean use, nor given ought thereof for the dead: but i have hearkened to the voice of the lord my god, and have done according to all that thou hast commanded me.

dicendum est de illa altera parte petitionis… ea desiderat nomenclationem, blanditiam, assiduitatem, benignitatem, rumorem, spem in re publica… atque prodest quidem vehementer nusquam discedere… cum postulatum petitur, quod honeste aut sine detrimento nostro promittere non possumus, id est, si qui roget ut contra amicum aliquem causam recipiamus, belle negandum est, ut ostendas necessitudinem, demonstres quam moleste feras, aliis te rebus exsarturum esse persuadeas
fuck you