Take heart. Here's a place to start. This site quotes different authors on many topics. Here are a couple of examples on Grace (the rest you'll have to check out for yourself).
Night and day I pondered until I saw the connection between the justice of God and the statement that 'the just shall live by his faith.' Then I grasped that the justice of God is that righteousness by which through grace and sheer mercy God justifies us through faith. Thereupon I felt myself to be reborn and to have gone through open doors into paradise.
The man who has nothing more than a kind of Sunday religion--whose Christianity is like his Sunday clothes put on once a week, and then laid aside--such a man cannot, of course, be expected to care about growth in grace.