Adam Clarke's Commentary on the Bible - Acts 2:19
I will show wonders - It is likely that both the prophet and the apostle refer to the calamities that fell upon the Jews at the destruction of Jerusalem, and the fearful signs and portents that preceded those calamities. See the notes on Matthew 24:5-7 ; (note), where these are distinctly related. Blood, fire, and vapour of smoke - Skirmishes and assassinations over the land, and wasting the country with fire and sword. read more
Adam Clarke's Commentary on the Bible - Acts 2:18
On my servants and on my handmaidens - This properly means persons of the lowest condition, such as male and female slaves. As the Jews asserted that the spirit of prophecy never rested upon a poor man, these words are quoted to show that, under the Gospel dispensation, neither bond nor free, male nor female, is excluded from sharing in the gifts and graces of the Divine Spirit. read more