Larsen had an ability to translate the strange and alien paroles of the Comintern to Danish conditions, and his oratorical skills contributed greatly to the successes in organising the unemployed and gaining seats in parliament. In parliament, he became known as a great orator. He did not keep to translating the Comintern policies but also modified them. The ultra-left line was softened, and contrary to the directions from Moscow he warned his party members of seeing the Social Democrats as the main enemy.