The present account, based on introspective comments, deals with motivation and hedonic tone as subjective factors which affect continuous work at high speeds. Actual introspective reports are given. The earlier papers in the series described the experimental procedure and presented objective data.

On Islamic standards of basic needs of human beings.

Books reviewed in this article: The Anchor Bible Dictionary. Edited by David Noel Freedman with Gary A. Herion, David F. Graf, John David Pleins. The Gospel of Matthew. By Daniel J. Harrington. Paul: An Introduction to his Thought. By C. K. Barrett. A Radical Jew: Paul and the Politics of Identiy. By Daniel Boyarin. New Testament Theology. By G. B. Caird, completed and edited by L. D. Hurst. The Fatherhood of God from Origen to Athanasius. By Peter Widdicombe. Dieu et (...) le Christ selon Grégoire de Nysse. By Bernard Pottier. Eucharistic Presence: A Study in the Theology of Disclosure. By Robert Sokolowski. Theological Hermeneutics: Development and Significance. By Werner Jeanrond. Theologie aus Efahrung der Gnade. Annäherungen an Karl Rahner: Edited by Mariano Delgado and Mathias‐Lutz Bachmann. Bernhard Welte's Fundamental Theological Approach to Christology.. By Anthony J. Godzieba. Sacred Identity: Exploring a Theology of the Person. By Jane Kopas. A Salvation Audit. By Colin Grant. Medical Ezhics: Sources Of Catholic Teachings, Second Edition. Edited by Kevin O'Rourke and Philip Boyle. Mission and Conversion: Proselytizing in the Religious History of the Roman Empire. By Martin Goodman. Literacy and Power in the Ancient World. Edited by Alan K. Bowman and Greg Woolf. St Cyril of Alexandria: The Christological Controversy. Its History, Theology and Texts. By John A. McGuckin. Ambrose of Milan: Church and Court in a Christian Capital. By Neil B. McLynn. Basil of Cuesareu. By Philip Rousseau. Augustine. By Mary T. Clark. Irenaeus. By Dennis Minns. Divine Heiress: The Virgin Mary and the Creation of Christian Constantinople. By Vasiliki Limberis. The Irish Tradition in Old English Literature. By Charles D. Wright. Relics, Apocalypse and the Deceils of History: Ademar of Chabannes, 989–1034. By Richard Landes. Huguccio: The Life, Works, and Thought of a Twelfth‐Centuy Jurist. By Wolfgang P. Müller. The Presence of God: A History of Western Christian Mysticism, Volume II: The Growth of Mysticism. By Bernard McGinn. Preaching the Crusades: Mendicant Friars and the Cross in the Thirteenth Century. By Christoph T. Maier. Mary Ward: A World in Contemplation. By Henriette Peters. The Letters of Teilhard de Chardin and Lucile Swan. Edited by Thomas M. King and Mary Wood Gilbert. Pseudo‐Marry: By John Donne. Edited, with an Introduction and Commentary, by Anthony Raspa. Donne and the Politics of Conscience in Early Modern England. By M. L. Brown. The Caroline Captivity of the Church: Charles 1 and the Remoulding of Anglicanism. By Julian Davies. Érudition et religion aux XVIIe et XVIIIe siécles. By Bruno Neveu. Cardinal Lavigerie: Churchman, Prophet and Missionary. By François Renault. Dom Columba Marmion: A Biography By Mark Tierney. Christian Mission in the Twentieth Century. By Timothy Yates. Religion in Africa: Experience and Expression. Edited by Thomas D. Blakely, Walter E. A. van Beek and Dennis Thomson. (shrink)