0n 4 May 1870, Rimbaud's mother wrote to Izambard to complain about him giving Rimbaud Victor Hugo's Les Misérables to read.[3][4] In May 1871, Rimbaud sent an important letter to Izambard. In this letter, (which includes the poem "Le Cœur supplicié"), he affirms that he wants to be a poet, and that he is working to become a "voyant":