Which lines from the poem best shape the theme that the memory of something beautiful can bring lasting joy? "Continuous as the stars that shine / And twinkle on the milky way," "When all at once I saw a crowd, / A host, of golden Daffodils;" "I gazed--and gazed--but little thought / What wealth the show to me had brought:" "They flash upon that inward eye / Which is the bliss of solitude,"