"In a world where all others may falter or fail, [God] remains constant. When we are inconsistent, still He remains utterly dependable and steadfast. Life is ever fragile and changeable; He stands solid and secure. Our God is unshakeable, unchanging, unwavering, unfading, unfaltering, unswerving, and unending. And all of this is a part of His holiness – for in being so utterly faithful and so eternally unchanging, He is completely beyond compare. As He ever was, He is today, and ever will be. As the old hymn puts it, “There is no shadow of turning with Thee.”"
Matt Redman, "No shadow of turning", read the full thing here