He wrote this to his love, Maud Gonne, and he was bewailing the fact that he couldn't really give her what he thought she wanted from him.
이 시는 그의 애인 모드 곤에게 써준 시인데 그녀가 원하는 걸 해줄 수 없어서 침통해 하는 내용이 담겨 있습니다.