Thinking Quotes - Page 784
David Perkins (2008). “Smart Schools: From Training Memories to Educating Minds”, p.185, Simon and Schuster
Jonathan Edwards, David Brainerd (1807). “The Works of President Edwards;: Narrative of conversions. Life and diary of the Rev. David Brainerd. Mr. Brainerd's journal. Mr. Brainerd's remains”, p.277