The poem is #25 from: Poems from the Divan of Hafiz, translated by Gertrude Lowthian Bell, 1897. London: Heinemann.
For more information on the poet: https://en.wikipedia.org/wiki/Hafez
To read more of the poems: https://www.sacred-texts.com/isl/pdh/index.htm
or https://www.amazon.com/Garden-Heaven-Poems-Thrift-Editions-ebook/dp/B00A62YB5M/ref=dp_kinw_strp_1