God’s ultimate purpose in removing the law and replacing it with grace was so we could know him as our loving Father. Knowing God as our Father was made possible because God sent the Spirit of Jesus to live in us when he removed the law from us.
Galatians 4:4-6 says:
"But when the set time had fully come, God sent his Son, born of a woman, born under the law, to redeem those under the law, that we might receive adoption to sonship. Because you are his sons, God sent the Spirit of his Son into our hearts, the Spirit who calls out, 'Abba, Father'