“For your Maker is your husband -”

This really spells out the spiritual marriage relationship between believers and Jesus or between Jesus and His church.

The part of the verse"...remember no more the reproach of your widowhood." may be a bit confusing.  If our Maker is our husband and our husband isn't dead then how can we be a widow?  We need to look at what the Hebrew word means.  In addition to widow the Hebrew word for widowhood means "abandonment", to be abandoned as if it were widowhood.

“For a brief moment I abandoned you..”

This verse helps us understand the previous one about widowhood. Unless we go back to the root word, the Hebrew word, it is difficult to make the connection. Wonder how long God’s moments are? 

"Though the mountains be shaken and the hills be removed, yet my unfailing love for you will not be shaken nor my covenant of peace be removed," says the Lord, who has compassion on  you.

What follows after this is a multi-layered description of both the Millennium and eternity.

City with stones of turquoise, foundations with sapphires, battlements of rubies, gates of sparkling jewels, walls of precious stones. This is a classic example of layered prophecy. (See Revelation 21)

While this is a beautiful picture, even better than that is the following that pertains to the Millennium:
"All your sons will be taught by the Lord, and great will be your children's peace."

Notice it says ALL your sons will be taught by the Lord and great will be their peace.  What parents wouldn't want that for their children?

Isaiah 55 paints a picture of somewhat of a bartering system that will be in place in the Millennium but it also applies spiritually.

Isaiah 55:2
Why spend money on what is not bread, and your labor on what does not satisfy?

This is a very applicable question for today.  How much money do we spend on wants instead of needs?  How much time do we spend on the job to make money to buy things that do not satisfy? Or using money we don't have to buy things we don't need to impress people we don't like.

“Seek the Lord while he may be found”;

What does it mean “while he may be found”? Does it mean there may come a time when He can’t be found? (John 9:4)

Isaiah 55 continues to paint a beautiful picture of mountains and hills bursting into song. “…all the trees of the field will clap their hands.” What a sound that must be!  Ever been in a forest when the noise of the city is far, far away?  The wind blows through the trees, does it not sound as if a great number of people are clapping their hands?

This chapter also tells us that there will be an absence of thorns and briers. Spiritually speaking does this refer to thorns and briers as an analogy for sin?

Isaiah 56 reaffirms God's desire that we keep His Sabbaths and His Holy Days. Honoring these days is to be done for all generations to come forever. (Leviticus 23:21)  It isn't just the weekly worship day, a day of rest it is an observance of the three commanded feast days. He promises to bring those who honor these days to His holy mountain to be close to Him. We don't have to wait for the Millennium to be close to Him.  He says if we honor these holy days we will be close to Him. We should live life here with a Millennial mindset and lifestyle, at least as much as we can.

It is quite obvious throughout Scripture how God feels about His Sabbaths and the feasts and festivals. These days will be honored during the Millennium.  Why not honor them now?  There is a great reward if we do!

Isaiah 56:4-5
To them, I, the LORD, say: Respect the Sabbath, obey me completely, and keep our agreement. Then I will set up monuments in my temple with your names written on them. This will be much better than having children, because these monuments will stand there forever.