Johann Wolfgang von Goethe / Martin Luther / Henryk Sienkiewicz / Dante Alighieri / Henry Van Dyke / David Hume / James Allen / Ralph Waldo Emerson / Andrew Murray / John Bunyan / Grace Livingston Hill / Thomas Paine / Voltaire / Lew Wallace / John Milton / Charles M. Sheldon / Ludwig Feuerbach / G. K. Chesterton / Friedrich Nietzsche / Thomas à Kempis / Leo Tolstoy / Fyodor Dostoevsky / Charles Spurgeon / Prentice Mulford / St. Teresa of Ávila / Saint Augustine / Florence Scovel Shinn / H. Emilie Cady / Gregory of Nyssa / Pope Gregory I / Athanasius of Alexandria / John of Damascus / Brother Lawrence / Arthur Pink | 