non-dual teachings
http://non-duality.rupertspira.com/read/an_introduction_to_non-duality
Rupert Spira
Adyashanti
http://www.onethemagazine.com/blog/2013/07/23/silence-heals/#sthash.Y7mJftap.dpbs
Nathan Gill
http://www.onethemagazine.com/blog/2014/08/27/clarity-tribute-nathan-gill/#sthash.oaozId1J.dpbs
https://www.amazon.com/dp/0954779223/?tag=onthma0b-20
https://stephenbray.com/non-duality-and-suicide/
Tony Parson