The Pharisees came and began to question Jesus. To test him, they asked him for a sign from heaven. He sighed deeply and said, “Why does this generation ask for a sign? (Mark 8:11-12)
The Pharisees demanded a sign from Jesus to prove he was God and to meet all of their pre-determined specifications for authenticity.
Do I seek supernatural proof when what is already offered is more than enough? As if the self-sacrificial love and super-abundant goodness in Creation are not already enough…
When you are of this mindset, not even someone coming back from the dead will convince you.