Quote: Oh, the comfort, the inexpressible comfort of feeling safe

So who is author of this quote?
"Oh, the comfort, the inexpressible comfort of feeling safe with a person, having neither to weigh thought no measure words, but pouring them all right out, just as they are, chaff and grain together, certain that a faithful hand will take and sift them, keep what is worth keeping, and with a breadth of kindness, blow the rest away"

So far, google search results attribute this quote to three different people:
1) George Eliot (Mary Ann Evans)http://thinkexist.com/quotation/oh-the comfort-the inexpressible comfort of/170845.html ;

2) Dinah Maria Mulock Craik http://en.wikiquote.org/wiki/Dinah Craik; and

3) Anonymous - Shoshone (Native American Tribe) http://www.thegoldweb.com/voices/wisdom.htm

Any thoughts?
saqib
http://www.capital-punishment.net