The book of Isaiah is a perfect foundation upon which the themes for Lent can spring forth. Repent, return, renew and rejoice appear to reflect the New Testament themes of the Lenten season, but wait: this is an Old Testament prophet calling the nation of Judah to return to God.

As God's special messenger to Judah, Isaiah's words brought both scathing warnings, and comforting assurances. This prophet's message appears to bring judgment and joy, confrontation and comfort. While the first 39 chapters of Isaiah contain stern warnings, the last 27 chapters are filled with hope. It is from this latter section of Isaiah that we hear the prophet challenge us: "Seek the Lord while he may be found, call upon him while he is near" (55:6). This passage of scripture returns us to the theme of covenant…