Jonathan Edwards (1845). “A Treatise Concerning Religious Affections: A Reprint from the Worcester Edition, Without Alteration, Mutilation, Or Omission”, p.18
"'We Don't Know Our Hearts Until Life Puts Us to the Test'--Chris Cleave on 'Everyone Brave Is Forgiven'". Interview With Erin Kodicek, www.amazonbookreview.com. May 31, 2016.