“Respect for the dignity of others includes treating them as rational creatures capable of being persuadad by rational argument, even in the face of frequent evidence to the contrary.”

“De jure objections are arguments of claims to the effect that Christian belief, whether or not true, is at any rate unjustifiable, or rationally unjustified, or irrational, or not intellectually respectable, or contrary to sound morality, or without sufficient evidence, or in some other way rationally unacceptable, not up to snuff from an intellectual point of view.”

“Crime fiction "confirms our belief, despite some evidence to the contrary, that we live in a rational, comprehensible, and moral universe.”

“No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.”

“There's no reason why women shouldn't behave like rational beings," Simon asserted stolidly.Poirot said drily: "Quite frequently they do. That is even more upsetting!”

“My own sex, I hope, will excuse me, if I treat them like rational creatures, instead of flattering their fascinating graces, and viewing them as if they were in a state of perpetual childhood, unable to stand alone.”