For both He who sanctifies and those who are being sanctified are all of one, for which reason He is not ashamed to call them brethren, saying: “I will declare Your name to My brethren; in the midst of the assembly I will sing praise to You.” And again: “I will put My trust in Him.” And again: “Here am I and the children whom God has given Me.” Inasmuch then as the children have partaken of flesh and blood, He Himself likewise shared in the same, that through death He might destroy him who had the power of death, that is, the devil, and release those who through fear of death were all their lifetime subject to bondage.
As we previously covered (Hebrews 2:10, “Bringing Many Sons to Glory”), God’s wonderful plan is to add children to His family. Since the followers of Christ who are being sanctified are also children of His Father, Jesus is not ashamed to call them brothers and sisters. He was willing to come as a flesh-and-blood human to die in our place to free us from slavery to the devil and sin.
Read more about our incredible potential in the article “Children of God.”