“It was a hobbit hole, and that means comfort”
“In a hole in the ground there lived a hobbit.”
“She had debated, in the frivolity of the beginning, whether to build a hole or a tower; a hole, because she was fond of hobbits, or a tower — well, a tower for many reasons, but chiefly because she liked spiral staircases.”
“Why O why did I ever leave my hobbit-hole?" said poor Mr. Baggins, bumping up and down on Bombur's back.”
“They're taking the hobbits to Isengard!”
“If you have ever seen a dragon in a pinch, you will realize that this was only poetical exaggeration applied to any hobbit, even to Old Took's great-grand-uncle Bullroarer, who was so huge (for a hobbit) that he could ride a horse. He charged the ranks of the goblins of Mount Gram in the Battle of the Green Fields, and knocked their king Golfimbul's head clean off with a wooden club. It sailed a hundred yards through the air and went down a rabbit-hole, and in this way the battle was won and the game of Golf invented at the same moment.”