The Screwtape Letters by C. S. Lewis

"Only a real risk tests the reality of a belief" (35).
"...for all pairs of lovers without exception, bereavement is a universal and integral part of our experience of love" (63).
"The safest road to hell is the gradual one" (61).
"All virtues are less formidable to us once the man is aware that he has them, but this is specially true of humility" (69).
What is the church's teaching on our state of omnipotence when we die/go to heaven? (84).