“Father Brown: I never said it was always wrong to enter fairyland, I only said it was always dangerous.”

“The people who wrote the mediaeval ballads knew more about fairies than you do. It isn't only nice things that happen in fairyland. .…I never said it was wrong to enter fairyland. I only said it was dangerous.”

“He is a man, I think," he said, "who cares for nothing but a joke. He is a dangerous man."Lambert laughed in the act of lifting some macaroni to his mouth."Dangerous!" he said. "You don't know little Quin, sir!""Every man is dangerous," said the old man, without moving, "Who cares only for one thing. I was once dangerous myself.”

“Father Brown: ... one can sometimes do good by being the right person in the wrong place”

“You know I always liked you," said Fisher, quietly, "but I also respect you, which is not always the same thing. You may possibly guess that I like a good many people I don't respect. Perhaps it is my tragedy, perhaps it is my fault. But you are very different, and I promise you this: that I will never try to keep you as somebody to be liked, at the price of your not being respected.”

“Is that all?" asked Flambeau after a long pause. "Have we got to the dull truth at last?""Oh, no," said Father Brown.As the wind died in the most distant pine woods with a long hoot as of mockery Father Brown, with an utterly impassive face, went on:"I only suggested that because you said one could not plausibly connect snuff with clockwork or candles with bright stones. Ten false philosophies will fit the universe; ten false theories will fit Glengyle Castle. But we want the real explanation of the castle and the universe. But are there no other exhibits?"Craven laughed, and Flambeau rose smiling to his feet and strolled down the long table. [Ch.6]”

“Father Brown got to his feet, putting his hands behind him. 'Odd, isn't it,' he said, 'that a thief and a vagabond should repent, when so many who are rich and secure remain hard and frivolous, and without fruit for God or man?”