“There are no rules of architecture for a castle in the clouds.”

“vers libre," (free verse) or nine-tenths of it, is not a new metre any more than sleeping in a ditch is a new school of architecture.”

“Shall I tell you the secret of the whole world? It is that we have only known the back of the world. We see everything from behind, and it looks brutal. That is not a tree, but the back of a tree. That is not a cloud, but the back of a cloud. Cannot you see that everything is stooping and hiding a face? If we could only get round in front--”

“Listen to me," cried Syme with extraordinary emphasis. "Shall I tell you the secret of the whole world? It is that we have only known the back of the world. We see everything from behind, and it looks brutal. That is not a tree, but the back of a tree. That is not a cloud, but the back of a cloud. Cannot you see that everything is stooping and hiding a face? If we could only get round in front -”

“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]”

“We do not want joy and anger to neutralize each other and produce a surly contentment; we want a fiercer delight and a fiercer discontent. We have to feel the universe at once as an ogre's castle, to be stormed, and yet as our own cottage, to which we can return to at evening.”

“One of the Franciscans says later, "A monk should own nothing but his harp"; meaning, I suppose, that he should value nothing but his song, the song with which it was his business as a minstrel to serenade every castle and cottage, the song of the joy of the Creator in His creation and the beauty of the brotherhood of men.”