John 3:6
What is born of the flesh is flesh: what is born of the Spirit is Spirit.
Romans 5:12
Thus, then, sin came into the world by one man, and death came in by sin; and so death spread to all men, inasmuch as all men sinned.
Ephesians 2:3
among whom all of us lived, we as well as you, when we obeyed the passions of our flesh, carrying out the dictates of the flesh and its impulses, when we were objects of God's anger by nature, like the rest of men.
Luke 1:35
The angel answered her, "The holy Spirit will come upon you, the power of the Most High will overshadow you; hence what is born will be called holy, Son of God.
Romans 8:8-9
Those who are in the flesh cannot satisfy God.