Galatians 4:29
"But as then he that was born after the flesh persecuted him that was born after the Spirit, even so it is now."
Cross References (ranked by relevance)
And Sarah saw the son of Hagar the Egyptian, which she had born unto Abraham, mocking.
For if ye live after the flesh, ye shall die: but if ye through the Spirit do mortify the deeds of the body, ye shall live.
And I, brethren, if I yet preach circumcision, why do I yet suffer persecution? then is the offence of the cross ceased.
But he who was of the bondwoman was born after the flesh; but he of the freewoman was by promise.
Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God.
As the Father hath loved me, so have I loved you: continue ye in my love.
There is therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh, but after the Spirit.