“..the ceiling is just a deep, dusty dome, like the inside of a skull. (Both are vaults, both repositories of knowledge.)”

“We have artists with no scientific knowledge and scientists with noartistic knowledge and both with no spiritual sense of gravity at all,and the result is not just bad, it is ghastly.”

“To laugh is to live profoundly... The sound of laughter is like the vaulted dome of a temple of happiness, "that delectable trance of happiness, that ultimate peak of delight. Laughter of delight, delight of laughter... it is an expression of being rejoicing at being... ”

“Low ceilings cramp your thoughts, whereas vaulted ceilings, especially if they are circular and open to natural light, tend to release your thoughts, to let them rise.”

“What are you grinning at?" Katsa demanded for the third or fourth time. "Is the ceiling about to cave in on my head or something? You look like we're both on the verge of an enormous joke.""Katsa, only you would consider the collapse of the ceiling a good joke.”

“Inside skull vast as outside skull”