YouTube videos of Alan Watts, one of the ones responsible for introducing Buddhism and Zen to the west and very clear about non-duality.
Thusness/PasserBy's Seven Stages of Enlightenment
Thusness:
There is thinking, no thinker
There is sound, no hearer
Suffering
exists, no sufferer
Deeds there are, no doer
I was meditating
the above stanza deeply… about its meaning until one day, suddenly I
heard ‘tongss…’, it was so clear, there was nothing else, just the sound
and nothing else! And ‘tongs…’ resounding…. It was so clear, so vivid!
The full video of 'The Art of Meditation', 1 hour long, is available at http://video.google.com/videoplay?docid=-2309502165382017424#