"Religious poetry, civic poetry, lyric or dramatic poetry are all categories of man's expression which are valid only if the endorsement of formal content is valid"

This quote by Salvatore Quasimodo talks to the significance of formal material in poetry. He recommends that religious, civic, lyric, and dramatic poetry are all legitimate forms of expression, however only if the endorsement of official material is valid. Simply put, the material of the poem must be significant and pertinent in order for it to be thought about valid. Quasimodo is stressing the importance of the content of the poem, rather than just the form. He is recommending that the material of the poem must be significant and must have a purpose. He is also suggesting that the content ought to relate to the audience, as this will make the poem more meaningful and impactful. Quasimodo is highlighting the significance of the material of the poem, as it is the content that will make the poem meaningful and impactful.