How do I fix my eyes on what is unseen?

In heaven, your past life, with all its shadows, stands clearly before your eyes and you perceive that anything you may have done right was the result of training, not merit—there is no one who could entertain the notion of having earned salvation. 

There is no one who could entertain the notion of having earned salvation.

On the contrary, you thankfully acknowledge how much must have been forgiven, for you to be saved.