What progression does Edwards trace in speaking of the threat to the sinner's existence in "Sinners in the Hands of an Angry God"

Edwards
begins by discussing a passage from Deuteronomy, "Their feet shall slide in due time."
In hisof this passage, he extrapolates several conclusions: First, that people are always
exposed to destruction; second, that this destruction will be sudden; third, that they will fall
of their own free will; and finally, that the only reason they have not fallen yet is because
"God's appointed time...