Many of my fellow atheists consider all talk of 'spirituality' or 'mysticism' to be synonymous with mental illness, conscious fraud, or self-deception. I have argued elsewhere that this is a problem - because millions of people have had experiences for which 'spiritual' and 'mystical' seem the only terms available.

Waking Up: Searching for Spirituality Without Religion (ed. Random House, 2014) - ISBN: 9781473508880