But the past 100 years of missionary campaigning has brought to light an almost
endless number of problems and difficulties about which these missionary workers — both those at the front and those administering the enterprise at home — have good reasons to hold divergent opinions.
Just as a computer programming language, even if originally designed to help solve one kind
of problem, can support an unlimited
number of other programs, so the brain may have been selected with a cognitive tool kit that can be applied to
endless new challenges.