"Four Years" is a collection of poems by the recognized lyricist William Butler Yeats. In these poems, the author embodies all his deep philosophy and reflections on human nature, love, faith, as well as political and social issues of his time. Each poem in this collection is a vivid impression of the poet's lyrical image, his inner world and the world around him. "Four years" is a work that leaves a mark in the heart of everyone who understands and appreciates real poetry.