On 17 April 1928 he was arrested by Czech authorities in his parents' house in Końska and on 6 November 1928 sentenced for 13 months in jail for alleged transport of illegal literature to Slovakia and conspiring against the Czechoslovak Republic.

After his release he cooperated with Zaranie Śląskie magazine published in Cieszyn and became a secretary of the Polish People's Party in Czechoslovakia (Stronnictwo Ludowe).

In 1937 Kubisz published his most important work Przednówek, poetry collection written in Cieszyn Silesian dialect with illustrations by artist Franciszek Świder.

[5] Polish literary critic Zdzisław Hierowski said of his work: The work is even more valuable, because it shows peasant and worker not only in suffering but also in the fight, not only in defeat but also in the rebellion full of hope, opening in the perspective a dawn of new times.After outbreak of World War II, in 1940 he was arrested by Gestapo and jailed in Cieszyn.

He was one of the co-founders of PZKO (The Polish Cultural and Educational Union), the chairman of its newly founded Literary-Artistic Section (Sekcja Literacko-Artystyczna) and the first editor-in-chief of Zwrot magazine from 1949 to 1958.

In 1953 he published the poetry book Rapsod o Oszeldzie (Rhapsody about Oszelda) with illustrations by artists Rudolf Żebrok and Franciszek Świder.

He was always on the side of the poor, the laborers, peasants and metalworkers, and criticized privileged classes, the clergy, nobility, lawyers and doctors.

A fragment from Co to młody gorol prawił, jak sie mu na śmierć niosło... (What a Young Goral Said When He Went to Death) from Przednówek poetry collection is typical for Kubisz's heroic style: