This sweet promise comes in very blessedly, after the humbling views the Lord had bid the seekers after him to take of themselves. The Lord will give grace to the humble; and he that gives grace, gives also glory. It is He who wounds, and He who heals. James 4:6; Psalms 84:11; Deuteronomy 32:39.
Related Commentaries of Isaiah 51:3
Isaiah 51:3
3 For the LORD shall comfort Zion: he will comfort all her waste places; and he will make her wilderness like Eden, and her desert like the garden of the LORD; joy and gladness shall be found therein, thanksgiving, and the voice of melody.