But the solutions he proposed to Bolcheviks were expressed very abstractly. He called for centralism, order discipline and increasingly punishment. The theorist of organisation had never been very good at precise organisational advice. Even in "What is to be done?" he had been loath to get down to details ; and when he did, as in his 'letter to a Comrade about our Organisational Tasks' he had tended towards a rather schematic set of recommandations.