和人争论,首要问题是有没有意义。如果费劲半天,徒糜口水,就没有意义了。新约马修里说:不要把神圣的喂狗。我们短暂而宝贵的生命,千万不能浪费在喂狗上。
Do not give what is holy to dogs; and do not throw your pearls before swine, or they will trample them under foot and turn and maul you.