I am all I have (On depression, in:Trouw, Letter & Geest March 18, 2009)
Becoming One Self: A Critical Retrieval of ‘Choice Biography’, in: Journal of Reformed Theology 1 (2007) 272-293
Against Escapism: Dietrich Bonhoeffer’s Contribution to Public Theology, in: Len Hansen (ed.), Christian in Public. Aims, methodologies and issues in public theology, Stellenbosch 2007, 141 – 152.
Good ageing. Not yet published, 2006
Good ageing (short version), Ageing Spirited Scotland 2006
Reshaping Protestantism, Jubilee congress ThUK 1-4 september 2004
About Being a Confessing Church vis-à-vis HIV/ AIDS, Embodying Barmen and Belhar, conference Beyers Naudé Centre Stellenbosch (SA), october 18 – 20, 2004, NGTT 47, 1 & 2, 2006, 254- 267.
Modern Life course as a choice biography, in: Weal and Woe. Practical-Theological Explorations of Salvation and Evil in Biography, R.Ruard Ganzevoort & Heye K.Heyen (eds.)
Life as a Pilgrimage. Passion of Protestants, 2004
The Modern Life Course and the Ethics of the Art of Living. Guest lecture University of Western Cape, South-Africa, July 27, 2004
Bible and Ethics. Use and Misuse of Biblical Texts in Moral Matters, The International Bible Commentary 2003
The Work of Mercy. not yet published 2003
Saint Bonhoeffer? Dietrich Bonhoeffer and the Paradox of Sainthood, Zeitschrift für dialektische Theologie, 37 (2002/3), 245 – 269.
On Classics and Saints. The Relevance of Dietrich Bonhoeffer. Augsburgs College, Minneapolis, January 9th, 2001
Kenotic ethics. Gianni Vattimo Reading the Signs of the Time. In: Onno Zijlstra (ed.), Letting Go. Rethinking Kenosis, Bern 2002, 25 – 68.
Wie ein Tanz. Natur und Schöpfung bei Simone Weil. Vortrag Theologische Fakultät Rijksuniversiteit Groningen, 1996, in: Wijsgerig Perspectief, 34 (1993/94), 2, 47 – 53. (published in Dutch).
‘The Spiritual Force is Lacking’. Bonhoeffer on Secularization, Technology, and Religion. In: C. Gremmels / W. Huber, Relligion im Erbe. Dietrich Bonhoeffer und die Zukunftfähigkeit des Christentums, Gütersloh, 2002, 112 – 124. Proceedings VIIIth International Bonhoeffer Conference, Berlin, August 2000.
‘ With each other, for each other, against each other’. Bonhoeffer’s Theory of Mandates as a Theological Contribution to Social Pluralism. Bonhoeffer Group, American Academy of Religion, San Francisco November 1997. In: Bonhoeffer Rundbrief. Mitteilungen der internationalen Bonhoeffer-Gesellschaft Sektion Bundesrepublik Deutschland, Nummer 54, November 1997, 13 – 32. (German)
Waiting for the Word. Bonhoeffer’s `Thoughts on the Day of the Baptism of Dietrich Wilhelm Rüdiger Bethge’ and the Churches’ Embarrassment in Speaking about God. VIIth International Bonhoeffer Conference, Cape Town january 1997. In: John W. de Gruchy (ed.), Bonhoeffer for a New Day. Theology in a Time of Transition, Grand Rapids 1997, 94 – 111.
Room for forgiveness? A theological perspective. In: Didier Pollefeyt (Ed.), Incredible Forgiveness. Christian Ethics between Fanaticism and Reconciliation, Peeters Leuven/Dudley, Ma 2004, 161 – 183.
