Of course a poem is a two-way street. No poem is any good if it doesn't suggest to the reader things from his own mind and recollection that he will read into it, and will add to what the poet has suggested. But I do think poetry readings are very important.
“When you're in love you never really know whether your elation comes from the qualities of the one you love, or if it attributes them to her; whether the light which surrounds her like a halo comes from you, from her, or from the meeting of your sparks.”