Spirituali
Benedictine monk Benedetto Fontanini wrote the first version of the most notable expression of Spirituali doctrine , the "Beneficio di Cristo" ( The Benefit of Christ's Death ) , in 1543 , attempting to prove that salvation comes through Sola fide , or 'faith [ in Christ ] alone' ( as Protestants insisted on ) , not through works or the Church; later the poet and humanist Marcantonio Flaminio revised it . 
<triplet> Beneficio di Cristo <subj> 1543 <obj> publication date