This paper confirms the great significance of the relationship between Vallejo's poetry and that of Fray Luis de León and San Juan de la Cruz. The Peruvian poet's early upbringing as a Christian, his knowledge of the Bible, his work as a reader and as a poet interested in the Spanish golden age poetry, reappraised in the light of his ideological evolution, the problem of ignorance and the modern myth of the death of God, all make for a better understanding of his main texts. His personal vision of an increasingly secularized world reached a limit. His personal new pact, with its implications of solidarity, acquired the formal reality of writing and constituted a renewing poetic sacralization. This article attempts to trace back the most imp...