Friendship is Love without his wings!

George Gordon, Lord Byron (1788-1824) English poet

“L’Amitié est l’Amour sans Ailes” (1806-12-29, publ. 1832)
    (Source)

This phrase (which is the translation of the title), or variants of it, are the final line to each stanza of the poem.

Sometimes paraphrased "Friendship is Love without wings."