The faith of which Jesus speaks is the faith of a relationship. It is the faith in God that goes deep into our heart. It comes from an encounter with God, usually in silence, stillness and solitude. This is the faith that will so move us, that we will be able to do quite extraordinary things in this world, imaged by the moving of a bush.
I have met many a person who went to expensive Catholic elementary schools, who received sacraments and memorized the creed, but as soon as their confirmation was done, they were gone from participation in worship services or any active participation in a local parish. They had faith but it was not such that it touched their hearts deeply enough. It was not a relationship with God, one on one. Our dogmas, liturgies, scriptures explain and amplify the experience of God in our lives. But without the experience, the rest cannot hold us. The church can make Christ present in the Eucharist, but the liturgy cannot make us experience that presence. Without that experience you may have faith in real presence, but it will not be such that you hunger for the Eucharist.