Authors:

With drooping bells of clearest blue Thou didst attract my childish view, Almost resembling The azure butterflies that flew Where on the heath thy blossoms grew So lightly trembling.

"Hoyt's New Cyclopedia of Practical Quotations" by Jehiel Keeler Hoyt, (p. 353), 1922.
With drooping bells of clearest blue Thou didst attract my childish view, Almost resembling The azure butterflies that flew Where on the heath thy blossoms grew So lightly trembling.