Castrén was of the opinion that Russia was seeking systematically to prevent all development towards freer conditions in Finland, and concluded from this that the Finns must begin to prepare a revolt against Russia. According to him, it was to be linked with a favourable international crisis and would be realised as a general revolt against Russian rule, in which the non-Russian peoples from the Turks and Tatars to the Finns would take part. This political vision of his was shared by some other intellectuals. Fennomans like Elias Lönnrot and Zachris Topelius shared this or an even bolder vision of coming greatness. As Topelius put it: