User blog comment:DarkSlayerKnight/Doubt and how it affects psionics/@comment-6005647-20130427053408

Just two counterarguments that might, or might not apply to general magick and psionics.

http://www.inominandum.com/blog/the-usefulness-of-doubt/

http://www.magickofthought.com/2013/04/the-usefulness-of-doubt/