Because of Jesus-there is always hope, even in the darkest moments of your life.
Your heart is smothering under your small ambitions.
Nothing we formulate or do can qualify us for access to God. Only grace can do that- based not on our performance but on the saving work of Christ.
You are under-qualified for the job of God.
All Christians have opportunities to serve those who might never come to church or listen to a sermon.
We've got at least two other streams of that are filled with good, helpful material on meditation - the Catholic stream and the Quaker stream that are not primarily based on meditating on the Scripture.