1 Corinthians 15:45-49 Weymouth's Translation  The First man, Adam, became a living being (see Genesis 2:7); the Last Adam a Life Giving Spirit.  Yet it is not the spiritual that comes first, but the natural.  The first man is a man of Earth, of dust; the second Man is from Heaven.  What the man of dust is, also are those who are of dust; and what the Heavenly One is, that also are those who are heavenly.  As we have worn the likeness of the man of dust, we shall also wear the likeness of the Havenly One. 

Verse 47 says "the first man is of the Earth, earthly ... the Second Man is the Lord from Heaven."   This refers back to Romans 8:5-8 which talks about "carnality vs. spirituality". 

Romans 8:5-8  Weymouth's N.T.  "If men comply with their lower nature, their thoughts are shaped by the lower nature; if with their spiritual nature, by the spiritual. Thoughts shaped by the lower nature mean death; thoughts shaped by the spiritual mean life and peace.  For thoughts shaped by the lower nature mean a state of enmity (enemy) to God ... they do not submit to God's Law; and indeed cannot.  Those who obey the lower nature cannot please God." 

Reverend Robert W. & Mary C. Butler