What does the metaphor " walking the desert in search of Canaan" mean?

Answer: It's about achieving your goals, no matter the situation.

Explanation:

You know the meaning of the word "exodus"? Well, basically it's the march that a population perform from one place to another, looking for better opportunities or even a different life style.

This metaphor talks about how anyone can cross through rivers, mountains and valleys in order to achieve an specific goal.

A clear example? Self-improvement.

Not even the overwhelming heat of a "desert" can stop human will.