Psalm 132

When God makes a promise he does not turn back. His promises to bless are always based upon the obedience of the people. Like wise his promises to curse are dependant upon the continued disobedience of the rebel. So when God's conditions are met the promises are unchangable. That is a great message of confidence for those of us in the faith. We can rest confidently in his grace that his promise of eternal life will never fade.
It took me about 3 minutes to read this psalm.
Stuart