For 10 points, name this poet, whose poem that begins, "Tonight I can write the saddest lines"
 is found in his collection Twenty Love Poems and a Song of Despair.
One poem by this author asks, "who are you, who are you?" and begins, "Thinking, tangling shadows in
 the deep solitude." This poet wrote "the verse falls to the soul like dew to the pasture" in a poem that
 claims, "love is so short, forgetting is so long." He repeated the line, "Deserted like the wharves at dawn" in
 a poem that claims, "It is the hour of departure." He wrote the lines, "'The night is shattered and the blue
 stars shiver in the distance." He began one poem with the line "The memory of you emerges from the night
 around me." For 10 points, name this poet, whose poem that begins, "Tonight I can write the saddest lines"
 is found in his collection Twenty Love Poems and a Song of Despair.
One poem by this author asks, "who are you, who are you?" and begins, "Thinking, tangling shadows in
 the deep solitude.
Pablo {Neruda}