Кто-то может перевести слова этой песни? (даже не знаю, какой это язык)

Могу предложить перевод на английский

Sic mea vita est temporaria, - Because my life is temporary,
cupit ardenter caritatem aeternam. - it desires the eternal love.

Credam, dabo, sperabo, - I will belive, I will give, I will wait,
Honorabo, laborabo, gratias agam! - I will honour, I will work, I will give thanks

et denique aperiens fores occultas, - And at the end, opening doors hidden
nobis, grandis et clara, nosque curabit - to us, solemn and famous, it will take care of us
nobis, grandis et clara, nosque curabit - solemn and famous, it will take care of us

magna, magna caritas, - The grand, grand Mercy.
Ah! Audio vocem tuam! - I hear your voice.
Adest mi libertas! - My freedom is imminent/near

Mea vita amabit, - My life is going to love
Caritatis pacem, - the peace of benevolence
Hanc felicitatem aeternam esse oro. - I prey this is the eternal happiness.