Mazzini had a natural capacity for organisation, and the Association of Young Italy which he founded at Marseilles, the first nucleus being a group of young, penniless refugees, soon obtained an astonishing development. Up to the time of his 'Letter to Charles Albert,' his exile had been so far voluntary that he might have remained in Piedmont had he agreed to live in one of the smaller towns under the watchful care of the police, but he declined the terms, and the first effect of the 'Letter' was a stringent order to arrest him if he recrossed the frontier. He was not surprised at that result. Mazzini's attitude towards the Sardinian monarchy was perfectly well defined. Republican himself, even to fanaticism, he placed the question of unity, which for him meant national existence, above the question of the republic. He did not believe that the House of Savoy would unite Italy, but if unity could only be had under what he looked upon as the inauspicious form of monarchy, he would not reject it. He was like the real mother in the judgment of Solomon, who, because she loved her child, was ready to give it up sooner than see it cut in two.
Apart from personal hereditary instincts and predilections, Mazzini thought that he saw in the glorious memories of the Italian republics a clear indication that the commonwealth was the form of government which ought and would be adopted by the Italy of the future. But, unlike most politicians, he laid down the principle that, after all, when free, the nation must decide for itself. 'To what purpose,' he asks, 'do we constantly speak of the sovereignty of the people, and of our reverence for the national will, if we are to disregard it as soon as it pronounces in contradiction to our wishes?'
He did not succeed in making the majority of his countrymen republicans, but he contributed more than any other man towards inspiring the whole country with the desire for unity. Herein lies his great work. Without Mazzini, when would the Italians have got beyond the fallacies of federal republics, leagues of princes, provincial autonomy, insular home-rule, and all the other dreams of independence reft of its only safeguard which possessed the minds of patriots of every party in Italy and of nearly every well-wisher to Italian freedom abroad?