This poet wrote that "there is no pain greater than living, / nor sorrow greater than the conscious life" and yearned "Youth, divine treasure, / you are now leaving, never to return!" as part of a poetry collection which includes a section titled after a bird related to the myth of Leda. In her postcolonial novel United States of Banana, Giannina Braschi features this author as a character and uses his epigraph "If Hamlet grieves, Segismundo feels it" in its introduction. This poet used the swan as a symbol for both beauty and himself, for example in his poems Blasón and El cisne, which are included in his Prosas profanas. This writer of Songs of Life and Hope included Queen Mab and Puck as characters in his poetry collection Azul... For 10 points, name this Nicaraguan poet who initiated 
This poet wrote that "there is no pain greater than living, / nor sorrow greater than the conscious life" and yearned "Youth, divine treasure, / you are now leaving, never to return!" as part of a poetry collection which includes a section titled after a bird related to the myth of Leda. In her postcolonial novel United States of Banana, Giannina Braschi features this author as a character and uses his epigraph "If Hamlet grieves, Segismundo feels it" in its introduction. This poet used the swan as a symbol for both beauty and himself, for example in his poems Blasón and El cisne, which are included in his Prosas profanas. This writer of Songs of Life and Hope included Queen Mab and Puck as characters in his poetry collection Azul... For 10 points, name this Nicaraguan poet who initiated the literary movement known as modernismo.
This poet wrote that "there is no pain greater than living, / nor sorrow greater than the conscious life" and yearned "Youth, divine treasure, / you are now leaving, never to return!" as part of a poetry collection which includes a section titled after a bird related to the myth of Leda.
Rubén Darío [or Félix Rubén García Sarmiento, prompt on García]