Vous avez cherché: you will die trying to save him (Anglais - Latin)

you will die trying to save him
te ipsum salvum facere non potest,

i will die trying
ego ibique moriemini

you will die
et non morieris

not all of you will die
non omnis morieris

you will die by my hands
mori in manibus meis

remember that you will die and live life
memento quod vita vivet, et non morieris

live today as if you will die tomorrow
disce ut semper victurus

remember that you will die and seize the day
memento mori et carpe diem

remember you will die, infinity means nothing
memento mori infinitum nihil

remember that you will die. know your mortality.
memento mori

always remember remember that you will die and seize the day
semper memento mori et carpe diem

arrange for your house because you will die and you will not live
dispone domui tuae quia morieris tu et non vives. disposes de tes biens

who in the days of his flesh, when he had offered up prayers and supplications with strong crying and tears unto him that was able to save him from death, and was heard in that he feared;
qui in diebus carnis suae preces supplicationesque ad eum qui possit salvum illum a morte facere cum clamore valido et lacrimis offerens et exauditus pro sua reverenti