An agent that is the cause of all things but does not itself have a cause.
1 The sphere which approaches most nearly to it is called the primum mobile .
2 The ninth was the primum mobile , and inclosing all was the tenth heaven-theEmpyrean.
3 No, I of only I want you to tell us what was the primum mobile in the matter.
4 In thirty lines his patron is a river, the primum mobile , a pilot, a victim, the sun, any thing and nothing.
5 And this is why that first moved - the Primum Mobile - has such extremely rapid motion.
6 The ninth, or Primum Mobile , revolved by the Seraphim, is the abode of the moral philosophers.
7 The fixed unit of time is the day which is established by the revolution of the Primum Mobile .
8 "The primum mobile of the new system was Motion, in distinction from the rest which marked the old monastic retreats."
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