▁Jesus , ▁the ▁model ▁of ▁Christian ▁prayer , ▁used ▁the ▁word ▁" A bb a ", ▁an ▁ende aring ▁Heb rew ▁word ▁to ▁call ▁God ▁the ▁Father . ▁" A ▁fundamental ▁word ▁in ▁the ▁mouth ▁of ▁' the ▁Son ' ▁is ▁' A bb a ' ", ▁said ▁Bened ict ▁XVI . ▁" It ▁express es ▁his ▁whole ▁being , ▁and ▁all ▁that ▁he ▁says ▁to ▁God ▁in ▁prayer ▁is ▁ultimately ▁only ▁an ▁exp lication ▁of ▁his ▁being ▁( and ▁hence ▁an ▁exp lication ▁of ▁this ▁one ▁word ). " ▁The ▁C ate ch ism ▁quotes ▁August ine : ▁ ▁" O ur ▁Father : ▁at ▁this ▁name ▁love ▁is ▁ar oused ▁in ▁us ▁... ▁and ▁the ▁confidence ▁of ▁obtain ing ▁what ▁we ▁are ▁about ▁to ▁ask . ▁... What ▁would ▁he ▁not ▁give ▁to ▁his ▁children ▁who ▁ask , ▁since ▁he ▁has ▁already ▁granted ▁them ▁the ▁gift ▁of ▁being ▁his ▁children ?" ▁" The ▁name ▁of ▁Jesus ▁is ▁at ▁the ▁heart ▁of ▁Christian ▁prayer . ▁All ▁lit urg ical ▁pray ers ▁conclude ▁with ▁the ▁words ▁" through ▁our ▁Lord ▁Jesus ▁Christ ." ▁The ▁H ail ▁Mary ▁reaches ▁its ▁high ▁point ▁in ▁the ▁words ▁" bl essed ▁is ▁the ▁fruit ▁of ▁thy ▁w omb , ▁Jesus ." ▁The ▁Eastern ▁prayer ▁of ▁the ▁heart , ▁the ▁Jesus ▁P ray er , ▁says : ▁" L ord ▁Jesus ▁Christ , ▁Son ▁of ▁God , ▁have ▁mer cy ▁on ▁me , ▁a ▁s inner ." ▁Many ▁Christians , ▁such ▁as ▁St . ▁Joan ▁of ▁Arc ,