The proof of spiritual maturity is not how pure you are but awareness of your impurity. That very awareness opens the door to grace.
Whatever makes us feel superior to other people, whatever tempts us to convey a sense of superiority, that is the gravity of our sinful nature, not grace.
We in the church have humility and contrition to offer the world, not a formula for success. Almost alone in our success-oriented society, we admit that we have failed, are failing, and always will fail.
... learning humility is a prerequisite for grace.
Dependence, humility, simplicity, cooperation, and a sense of abandon are qualities greatly prized in the spiritual life, but extremely elusive for people who live in comfort.