here. He meant men collectively, not individually.
Archimedes claimed that, from a fixed point, with a long enough lever, he would be able to move the earth. See here.
Both were correct. History is collective human activity and individuals, like cogs, can move masses. An individual can redirect a political party that can lead a class that can change a country that can transform international alliances and the world economy. Lenin succeeded so far but was knocked back.
This is relevant to the idea of time travel. See Individuals. I hope to post on the extent of the contribution of Saul/Paul. See Sacrifice And Resurrection In Faith And Fiction.