Look at the spiritual meaning instead of physical matter

Mark 8:11-26
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 or a miraculous sign?
Be careful, Watch out for the yeast of the Pharisees and that of Herod.
Do you have eyes but fail to see, and ears but fail to hear?
Jesus healed a blind man and sent him home saying, "don't go into the village."
Why?
Pharisees follow the rules and tradition of the Temple, but forsake the love and lost the real meaning of the God. They didn't believe in Jesus, they asked miraculous sign, looks reasonable, but it is the mind of human being, to follow Jesus need the faith, Jesus remind them don't be contaminated by the yeast of Pharisees for their mind and logic.
Jesus warning them "Don't you have eyes but fail to see..." Don't they recognize Jesus is Messiah.
Jesus encourage them look at the spiritual meaning, don't look at the material food or physical matter.
Jesus did as Isaiah had predicted, so with the coming of God's kingdom the blind see and the deaf hear.
How?
Do I seeking for a sign from the Lord? Yes, I do, but I have known that the Lord have given me many signs to show His love and compassion on me. I hope the Lord can give me another sign to show me the way for I am afraid I misunderstood the meaning of the Lord.
Look at the spiritual meaning instead of physical matter.