Vous avez cherché: nemo debet in propria causa sua (Latin - Anglais)

nemo judex in causa sua
no one is judge in his own cause,

nemo iudex in causa sua.
no one should be a judge in his own cause.

in propria persona
in person

si quis adipem qui offerri debet in incensum domini comederit peribit de populo su
for whosoever eateth the fat of the beast, of which men offer an offering made by fire unto the lord, even the soul that eateth it shall be cut off from his people.

an propter nos utique dicit nam propter nos scripta sunt quoniam debet in spe qui arat arare et qui triturat in spe fructus percipiend
or saith he it altogether for our sakes? for our sakes, no doubt, this is written: that he that ploweth should plow in hope; and that he that thresheth in hope should be partaker of his hope.

audi mea verba, o ignis draconis ex cineribus orior altius atque altius alis patentibus, lumine micante draco hic apparere debet in loco subter
audi mea verba, o ignis draconis ex cineribus orior altius atque altius alis patentibus, lumine micante draco hic apparere debet in loco subter