Satan's greatest goal is to get us to doubt the goodness of God.
This works for unbelievers so they will never want anything to do with God in the first place.
This also works for believers---so that they never live the life of confident trust and abundance that God intended for them.
What Satan asked Eve in the garden, he still tries to tempt us with today
Genesis 3:1 "Now the serpent was more crafty than any of the wild animals the LORD God had made. He said to the woman, “Did God really say, ‘You must not eat from any tree in the garden’?”