One of the important tools for believing that the Bible teaches universal
reconciliation is to use a correctly (literally, not interpretively) translated Bible. Here
are several. The ones on line you don't even have to pay for.
http://www.members.cox.net/tmurr10/aswundivided.html#10
and
http://www.tentmaker.org/articles/Hell_is_Leaving_the_Bible_Forever.html
I think the Concordant Literal Translation is the most accurate.
Of the versions not online I like ROTHERHAM'S EMPHASISED BIBLE the best.
Four scriptural expositions supporting UNIVERSAL RECONCILIATION are found at
http://concordant.org/expohtml/HumanDestiny/doubts.html
http://concordant.org/expohtml/HumanDestiny/1cor15.html
http://concordant.org/expohtml/TheEons/index.html
http://gtft.org/Library/condon/QuestionsWithoutAnswers.htm