The main themes of Justinas Marcinkevičius' work were Lithuania, its history, present, nature and culture, man in the Motherland and in the world, human existential problems: happiness, suffering, loyalty, duty, virtue.
Just. Marcinkevičius entered the history of Lithuanian dramaturgy and theater with his trilogy: "Mindaugas", "Katedra", "Mažvydas", which painfully contemplates the stage of formation and unification of the Lithuanian state, the relationship between the architect and the service to the church, and the necessity of preserving the native language in the nation. During the Soviet era, this trilogy strengthened nationalism, aroused interest in language and history.
Just. The core of Marcinkevičius's poetry is a reflection on the identity of the Lithuanian nation, its historical path and destiny. The most important source of Lithuanian national identity for the poet was rural agrarian culture. Therefore, in his poems and poems, the everyday work, household and things of farmers are depicted as a sacred ritual, elevated to the level of sacredness and myth. Just. In Marcinkevičius's works, there is a lot of feeling of Lithuanian rural nature - fields, meadows, rivers, lakes. Lithuanian folklore, especially folk songs, from which he adopted not only many poetic images, but also melodious intonation and the use of diminutive forms, was one of the essential supports of the poet's work. Almost all of Just is made up of natural and mythical folklore images. Marcinkevičius's poetic metaphors.
