Adam (Race)
Ezekiel 34, at the end of the prophecy concerning the lost sheep:
“29 And I will raise up for them a plant of renown, and they shall be no more consumed with hunger in the land, neither bear the shame of the heathen any more. 30 Thus shall they know that I the LORD their God am with them, and that they, even the house of Israel, are my people, saith the Lord GOD. 31 And ye my flock, the flock of my pasture, are men [adam], and I am your God, saith the Lord GOD.”
Obedience
Most of the things which Christ taught in this Sermon on the Mount can also be found in the Old Testament. In reality, He was teaching nothing new, even if He was explaining much of it it differently, for there is nothing new under the sun. Today with Matthew chapters 6 and 7, we shall continue to see that these things which Christ taught His students are timeless, and existed in the Old Testament as well. If our race obeyed His Word, we would have heaven indeed.
Isaiah 49 contains many similar statements to those found in the Sermon on the Mount