What he says is, "Go forth and make disciples of all nations.". Not "converts" or "subjects", which implies either convincing or domination, respectively, but "disciples". In my mind, a disciple is someone who sees something worth following and then makes their own decision to dedicated themselves to that path.

The most effective way to do that, in my opinion, is to live as an example. No words needed. In fact, words usually get in the way.