Receiving God’s grace is humbling. Grace causes us to realize our inadequacy to live a godly life by our own efforts. When we’re confronted with God’s grace and fully realize that we are recipients of the most undeserved mercy and grace, we’re humbled and our hearts are changed.

Romans 4:4-5
1 Cor 1:30
1 Cor 13:12
Titus 2:11-12
James 2:23
Revelation 21:10

More devotions here.