Solution:
    -concentrate more carefully!
        -clear and distinct perception
    -a contradiction to think of God as not existing
    -existence as a perfection; God is perfect
 

"Whatever method of proof I use, I am alwys brought back to the fact that it is only what  clearly and distinctly perceive that completely convinces me."

"...[nothing] is more self-evident than the fact that the supreme being exists"