What are 2 quotes in each section showing how Montag is changing?

Section One

"I think so. Yes." He had to laugh.

"Your laugh sounds much nicer than it did"

"And then, Clarisse was gone. He didn't know what there was about the afternoon, but it was not seeing her somewhere in the world. The lawn was empty, the trees empty, the street empty, and while at first he did not even know he missed her or was even looking for her, the fact was that by the time he reached the subway, there were vague stirrings of un-ease in him. Something was the matter, his routine had been disturbed. A simple routine, true, established in a short few days, and yet . . . ? He almost turned back to make the walk again, to give her time to appear. He was certain if he tried the same route, everything would work out fine. But it was late, and the arrival of his train put a stop to his plan."

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Section Two

"Jesus God," said Montag. "Every hour so many damn things in the sky! How in hell did those bombers get up there every single second of our lives! Why doesn't someone want to talk about it? We've started and won two atomic wars since 1960. Is it because we're having so much fun at home we've forgotten the world? Is it because we're so rich and the rest of the world's so poor and we just don't care if they are? I've heard rumours; the world is starving, but we're well-fed. Is it true, the world works hard and we play? Is that why we're hated so much? I've heard the rumours about hate, too, once in a long while, over the years. Do you know why? I don't, that's sure! Maybe the books can get us half out of the cave. They just might stop us from making the same damn insane mistakes! I don't hear those idiot bastards in your parlour talking about it. God, Millie, don't you see? An hour a day, two hours, with these books, and maybe..."

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"You've got to hand it back tonight, don't you know? Captain Beatty knows you've got it, doesn't he?"

"I don't think he knows which book I stole. But how do I choose a substitute? Do I turn in Mr. Jefferson? Mr. Thoreau? Which is least valuable? If I pick a substitute and Beatty does know which book I stole, he'll guess we've an entire library here!" Mildred's mouth twitched. "See what you're doing? You'll ruin us! Who's more important, me or that Bible?"

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Section Three

"And then he was a shrieking blaze, a jumping, sprawling, gibbering mannikin, no longer human or known, all writhing flame on the lawn as Montag shot one continuous pulse of liquid fire on him. There was a hiss like a great mouthful of spittle banging a redhot stove, a bubbling and frothing as if salt had been poured over a monstrous black snail to cause a terrible liquefaction and a boiling over of yellow foam. Montag shut his eyes, shouted, shouted, and fought to get his hands at his ears to clamp and to cut away the sound. Beatty flopped over and over and over, and at last twisted in on himself like a charred wax doll and lay silent.

The other two firemen did not move.

Montag kept his sickness down long enough to aim the flame-thrower. "Turn around!"

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You must remember, burn them or they'll burn you, he thought. Right now it's as simple as that.