p. 11 https://books.google.com/books?id=sUTZCwAAQBAJ&pg=PA11 
1990s, The Ragamuffin Gospel (1990)
                                    
Brennan Manning: Quotes about love
Brennan Manning was writer, American Roman Catholic priest and United States Marine. Explore interesting quotes on love.
                                        
                                         p. 11 https://books.google.com/books?id=sUTZCwAAQBAJ&pg=PA11 
Source: 1990s, The Ragamuffin Gospel (1990)
                                    
Source: The Ragamuffin Gospel: Good News for the Bedraggled, Beat-Up, and Burnt Out
“In Love's service, only wounded soldiers can serve.”
Source: Abba's Child: The Cry of the Heart for Intimate Belonging
Source: Abba's Child: The Cry of the Heart for Intimate Belonging
“The litmus test of our love for God is our love of neighbor.”
Source: The Wisdom of Tenderness: What Happens When God's Fierce Mercy Transforms Our Lives
Source: The Ragamuffin Gospel: Good News for the Bedraggled, Beat-Up, and Burnt Out
                                        
                                         All Is Grace: A Ragamuffin Memoir https://books.google.com/books?id=eFTh3OqjASkC&pg=PA192 (2011), pp. 192–194 
2010s
                                    
                                        
                                         p. 9 https://books.google.com/books?id=sUTZCwAAQBAJ&pg=PA9 
1990s, The Ragamuffin Gospel (1990)