"Carpe diem" is a Latin phrase meaning enjoy the present and not worry about tomorrow. It comes from a poem published by the Latin poet Horace,in the Odes
in 23 BC as part of the longer "Carpe diem, quam minimum credula postero" – "Seize the Day, putting as little trust as possible in the future."
Other songs with 'Carpe Diem' in the title include ones by Metallica
and August Burns Red