Without a partner, love cannot be found. For God to attain the most precious thing, He needs a partner.
Who is greater, God or humankind?
Explanations from Sun Myung Moon's speeches
God values human beings most. Why does He value them so? Because He needs an object partner for His love.
Are arteries greater, or are veins greater? Which are greater? They are equal. Then, who is greater, God or humankind? They are also equal.