Jamieson, Fausset and Brown on Ezekiel 16:63

63. never open thy mouth--in vindication, or even palliation, of thyself, or expostulation with God for His dealings (Ro 3:19), when thou seest thine own exceeding unworthiness, and My superabounding grace which has so wonderfully overcome with love thy sin (Ro 5:20). "If we would judge ourselves, we should not be judged" (1Co 11:31).

all that thou hast done--enhancing the grace of God which has pardoned so many and so great sins. Nothing so melts into love and humility as the sense of the riches of God's pardoning grace (Lu 7:47).