The fundamental loss of a desire for God is the heart of original sin.

One might pray and not be a Christian, but one cannot be a Christian and not pray.

Christ told his disciples not to be anxious about tomorrow, but he never said not to consider tomorrow. Intelligent problem solving demands careful consideration of the future effects of present solutions.

At the moment I sin, I desire the sin more than I desire to please God.

Satan could make an "A" in my Systematic Theology course. He knows the information and knows that the information is true.

Fallen man is free to choose what he desires, but because his desires are only wicked he lacks the moral ability to come to Christ. As long as he remains in the flesh, unregenerate, he will never choose Christ. He cannot choose Christ precisely because he cannot act against his own will. His fall is so great that only the effectual grace of God working in his heart can bring him to faith.

Grace, by definition, is something that God is not required to grant. He owes a fallen world no mercy.