Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why

impromptu

adverb

[L. in promptu, in readiness, from promptus, ready, quick.]

Off hand; without previous study; as a verse uttered or written impromptu.

impromptu

noun
A piece made off hand, at the moment, or without previous study; an extemporaneous composition.