There is only one enemy," said Father Brown, "whom it is easier to kil — Father Brown

"“Humility is the mother of giants. One sees great things from the valley; only small things from the peak.”"

"The modern mind always mixes up two different ideas: mystery in the sense of what is marvellous, and mystery in the sense of what is complicated. That is half its difficulty about miracles. A miracle is startling; but it is simple. It is simple because it is a miracle. It is power coming directly from God (or the devil) instead of indirectly through nature or human wills."

"We are taught that if a man has really bad first principles, that must be partly his fault. But, for all that, we can make some difference between a man who insults his quite clear conscience and a man with a conscience more or less clouded with sophistries."

"After the first silence the small man said to the other: "Where does a wise man hide a pebble?" And the tall man answered in a low voice: "On the beach." The small man nodded, and after a short silence said: "Where does a wise man hide a leaf?" And the other answered: "In the forest."

"... when the priest said again: "Where does a wise man hide a leaf? In the forest. But what does he do if there is no forest?" "Well, well," cried Flambeau irritably, "what does he do?" "He grows a forest to hide it in," said the priest in an obscure voice. "A fearful sin."

"Reverend sir," cried Angus, standing still, "are you raving mad, or am I?" "You are not mad," said Brown, "only a little unobservant."