Semper in excretia sumus solim profundis variat
Semper in stercore/***** es, sola altitudo variat.
Semper in excremento sum, solum profundum variat
Because Latin expresses things differently than English & the best translation will rarely be word for word I've given you the option of three slightly different translations. I don't think that among all latin words for sh*t, there is one which attest in the same sense as sh*t in your sentence so pick and choose
