What is the concept of resurrection according to 1 Corinthians 15?
The concept is that the natural body of flesh must die and then be raised in resurrection power as a spiritual body. Paul says it is sown natural but raised spiritual; believers will not enter eternity in flesh and blood, but in flesh and bone with the Spirit as life source, possessing eternal life.
Les teaches that the whole concept of resurrection is that the body of flesh has to die and then be raised in resurrection power. Using verse 44, he explains that it is sown a natural body—what was born of the flesh—but raised a spiritual body. Believers will not go into eternity in flesh and blood, but in flesh and bone, with the Spirit as their life source. The natural and spiritual bodies are eons apart yet alike, because outward features remain, but eternal life replaces the promised three score and ten. He also notes the blessed hope that if believers die before the rapture, they will be raised to new life, and that recognition and full knowledge continue, as when Peter, James, and John recognized Moses and Elijah. Paul then contrasts the first Adam, made a living soul, with the last Adam.
Thou fool, that which thou sowest is not quickened, except it die: