By Geshe Kelsang Gyatso
By Imran Ahmad
By David F Webber
By L. William Countryman
By C. S. Lewis
By Sharon Dirckx
By John Daintith, Valerie Illingworth, Elizabeth Martin, Anne Stibbs
By Rabindranath Tagore
By James K. A. Smith
By Pete Greig
By Satish Kumar, Rupert Sheldrake
By Marie M Fortune
By Patricia A. Williams, RN, MSN, CCRN
By Hume, David, Bell, Martin
By Alana Harris, Isabel Ryan, John Ryan
By Roger Carswell
By Rudolf Steiner, G. Halin, Olin D. Wannamaker, etc.
By G. C. Tympas (Greek Orthodox Church of St Cosmas and St Damian, London, UK)