Dear Miguel, Dear David, together with Serge we would like to say thank you to both of you, Miguel and David, for two very enriching days, which we could pass in your company. I would like to underline that by your know-how and your knowledge, you were able to guide this small group in a universe, which was, by moment, no more material and no more of this earth or may I say ground.  By your gallantry you were able to dissolve in each of the participants his reserve in face of a stranger, an unknown element, as well the differences between the persons as the expectations to cross the porch of a new sphere.  You showed us and demonstrated a tantrasmise such as it must be practised. By the exchange of the made experiences by each participant and in feelings done by each of them, you enriched the knowledge of us all.  You knew how to open the right and straight chakras, necessary for a good understanding in the group, for an open-minded frankness or better,...