Spirit, reality, or truth, as a, 152; of veracity, 105, 133, 170, 214 Stoicism, 116, 265 Supernaturalism, 32, 52, 147 Superstition, 49, 218 T Technique, 76, 119; special, as transferable, 165 Tennyson, 89 Thales, 34 Theology, 26, 131 Time, 37, 38, 108 Training, special, as transferable, 165 Truth, spirit of, 105, 133, 170, 214 U Unity, contradiction in idea of, 31; as expressed through contradiction, 137; of experience, 160 Universality, of doubt, 1, 7; of human characters in general, 161 Utilitarianism, 66, 261, 263 V Validity, spirit of, 105, 133, 153, 214 Vanini, 176, 180 Vitalism, 147 W Will, nature of, 11; freedom of, 47; to believe, 193; in relation to agnosticism, 121, 125 Z Zeno, 109, 147