Theologians consider that it was the sin of pride, the sinful thought conceived in an instant: non serviam: I will not serve. That instant was his [Lucifer's] ruin.
Each word of Heraclitus expresses the pride and the majesty of truth, but of truth grasped in intuitions rather than attained by the rope ladder of logic.
One cannot attain divine knowledge till one gets rid of pride. Water does not stay on the top of a mound; but into low land it flows in torrents from all sides.