rabu abu = penyembahan berhala dewa api hindu
http://shakaama.blogspot.com/2011/03/pagan-christians-is-ash-wednesday-pagan.html
http://www.beaconoftruth.com/ash_wednesday.htm
http://www.letgodbetrue.com/bible/heresies/ash-wednesday.php
http://www.ukapologetics.net/LENT.html
http://resbak.com/blog/ash-wednesday-of-pagan-origin/