Lactantius, 59, 74, 165, 169 Lamarck, 147 Lamennais, 74, 117, 165, 246 Laplace, 161 Leibnitz, 247 Leo XIII., 75 Leopardi, 44, 47, 123, 132, 240, 248 Le Roy, 73 Lessing, 229 Linnæus, 1 Loisy, 72 Loyola, 122, 307, 314, 324 Loyson, Hyacinthe, 116 Lucretius, 94, 102 Luis de León, 289 Luther, 3, 121, 270, 294, 301 Mach, Dr. E., 114 Machado, Antonio, 241 Machiavelli, 296, 326, 328 de Maistre, Count Joseph, 74, 305 Malebranche, 63 Malón de Chaide, 66 Manrique, Jorge, 309 Marcus Aurelius, 315 Marlowe, Christopher, 299 Martins, Oliveira, 68 Mazzini, 153 Melanchthon, 69 Menéndez de Pelayo, 313 Michelet, 45 Miguel de Molinos, 216, 219, 228 Mill, Stuart, 104, 310 Milton, 284 Moser, Johann Jacob, 252, 263 Myers, W.H., 88 Nietzsche, 50, 61, 100, 231, 239, 328 Nimesius, 59 Obermann, 11, 47, 259, 263, 268 Oetinger, Friedrich Christoph, 252, 253 Ordóñez de Lara, 56 Origen, 245 Papini, 238 Pascal, 40, 45, 74, 262, 263 Petrarch, 327 Pfleiderer, 61 Pius IX., 72 Pizarro, 324 Plato, 38, 45, 48, 61, 90, 125, 143, 216, 217, 221, 292, 310 Pliny, 165 Plotinus, 209, 230, 243 Pohle, Joseph, 77 Pomponazzi, Pietro, 88 Renan, 51, 68 Ritschl, Albrecht, 68, 114, 121, 167, 238, 253, 263, 294 Robertson, F.W., 180 Robespierre, 41 Rohde, Erwin, 60, 61 Rousseau, 53, 263, 299, 310 Ruysbroek, 289 Saint Augustine, 74, 192, 247 Saint Bonaventura, 220 Saint Francis of Assissi, 52, 210 Saint Paul, 48, 49, 62, 94, 112, 188, 209, 225, 241, 253, 255, 270 Saint Teresa, 67, 75, 210, 226, 228, 289, 323 Saint Thomas Aquinas, 83, 92, 233 Salazar y Torres, 324 Schleiermacher, 89, 156, 217 Schopenhauer, 146, 147, 247 Seeberg, Reinold, 188 Sénancour, 43, 47, 260, 263, 299 Seneca, 231, 313 Seuse, Heinrich, 75, 289 Shakespeare, 39 Socrates, 29, 143, 145 Solon, 17 Soloviev, 95 Spencer, Herbert, 89, 124, 238, 253 Spener, 253 Spinoza, Benedict, 6, 7, 22, 24, 31, 38, 40, 89, 97-99, 101, 208, 234, 310 Stanley, Dean, 91 Stendhal, 311 Stirmer, Max, 29 Suárez, 312 Swedenborg, 153, 221, 225 Tacitus, 56, 94, 142, 216, 306 Tauler, 289 Tennyson, Lord, 33, 103 Tertullian, 74, 94, 104 Thales of Miletus, 143, 317 Thomé de Jesús, 283 Tolstoi, 328 Troeltsch, Ernst, 70, 112 Velasquez, 70 Vico, Giovanni Baptista, 142, 143 Vinet, A., 93, 113, 160 Virchow, 95 Virgil, 249 Vives, Luis, 313 Vogt, 95 Walpole, Horace, 315 Weizsäcker, 62, 77 Wells, H.G., 265 Whitman, Walt, 125 Windelband, 267, 316, 317 Xenophon, 29, 143 End of Project Gutenberg's Tragic Sense Of Life, by Miguel de Unamuno