Stark argues that if one truely believes that ritual is the essence of religion, (and not belief in the supernatural,) then sacrifice is very hard to understand because sacrifice seems irrational. (why deprive yourself? )
a. true
b. false

No, it is not true that Stark argues that if one truely believes that ritual is the essence of religion, (and not belief in the supernatural,) then sacrifice is very hard to understand because sacrifice seems irrational, since he believes the two aren't mutually exclusive.