I had continued jotting down good lines—once the eyes and ears are awakened to the possibilities they can’t be put back to sleep… – Robert Byrne, The Third and Possibly the Best 637 Best Things Anybody Ever Said,

Have you ever observed that we pay much more attention to a wise passage when it is quoted, than when we read it in the original author? – Philip Gilbert Hamerton, The Intellectual Life, 1873

Miss Amesbury is especially happy in the use of quotations—and an apt quotation is like a lamp which flings its light over the whole sentence. – L.E. Landon, Romance and Reality, 1832