The Healing Power of Happiness – Happiness as a choice (reading in 1991 at the Free University, Amsterdam)
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The Magic Medicine of Love – the healing power of self-acceptance (reading 1992 at the Free University, Amsterdam)
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Living with Death – living from soul consciousness held at the symposium ‘Living with Death’ – about detachment and love for living, organized by Davidhuis and Forum Health Care in 2008 in the Culture and Congress Centre Antropia in Driebergen)