Thus saith the Lord , thy Redeemer, the Holy One of Israel; I am the Lord thy God which teacheth thee to profit, which leadeth thee by the way that thou shouldest go. Isaiah 48:17 KJV
The Blessing Comes From God. He causes the people who serve Him to prosper.
The blessing of the Lord , it maketh rich, and he addeth no sorrow with it. Proverbs 10:22 KJV
God’s will is that His people live in righteousness, peace, and joy while being led by His Holy Spirit. He wants His people to be blessed so that they can be a blessing to the world.
He wants a people who will walk in covenant with Him in, and through, Jesus the Christ. The covenant blessing includes health and prosperity.