He was a doer, not a thinker; his skills were the skills of an artisan, a tinkerer, a jackleg mechanic.

I got the impression it was more how the major powers in the Duneverse exerted power than a power source in itself (hence why Mohiam didn't mention it in her little talk).

Coordinate term: cuisse

The extract from the Missal of Constance, which was printed before the editio princeps […] does not contain the formulae for Advent, Sundays after Epiphany, Lent and the Sundays after Easter and Pentecost; […]