Around 1912, Theodorescu was a sympathizer of the Symbolist movement, the radical side. Alongside journalists Nae Ionescu and Constantin Beldie, he was employed by the literary and art magazine "Insula", put out by poets Ion Minulescu and N. Davidescu. As assessed by literary historian Paul Cernat, "Insula" represented Symbolism "in revolt", "segregated" from cultural conservatism. Theodorescu and Ionescu wrote collectively or interchangeably on the same satirical column, as "Nae & Mitică". Both had as main targets the iconic figures of traditionalism (Alexandru Vlahuță) or moderate aestheticism (Victor Eftimiu, Eugen Lovinescu, Cincinat Pavelescu). In tandem, Theodorescu was co-opted on the staff of Constantin Rădulescu-Motru's "Noua Revistă Română", where he usually signed his contributions as "Ravaillac", "Ravaiac", and (presumably) "Teo". He also signed with his name, covering topics such as the British railway strike. Theodorescu became more politically involved with the outbreak of World War I in 1914. During the early stages of the war, when Romania balanced her neutrality, Theodorescu was working as Chief Editor of the political daily "Dreptatea", under patrons Nicolae Fleva and Pache Protopopescu. He pushed the newspaper into a position of full support for the Entente Powers, making use of strong anti-Germanic imagery: "Once you meet a German, wring his neck!" He urged Romania to enter the war on the Central Powers and annex Transylvania, while condemning the Germanophile politicians of the day—Alexandru Marghiloman, of the Conservative Party, was a "canalie" ("scoundrel"), and Ioan Slavici an "enemy of the national ideal". During 1915, as the Central Powers gained the upper hand, "Dreptatea" slowly discarded the Ententist cause, and took a neutralist stance. Theodorescu returned with sarcastic comments on Ententists such as Octavian Goga and Take Ionescu, accused of having "sold" Romania to the Russian Empire. As "Toader Chirca", Theodorescu was already contributing articles to "Libertatea", the Germanophile sheet managed by Alexandru Bogdan-Pitești; in November 1915, he formalized this affiliation, and resigned from "Dreptatea".