Arrietty saw him scurry across the sunlit floor. Swiftly he ran—as a mouse runs or a blown dry leaf—and suddenly she saw him as "small." "But," she told herself, "he isn't small. He's a head taller than mother…" (7.28)
"That's what grows the moss," thought Arrietty as she sped back to her father, "all the water we empty through the grating…" (8.20)
Arrietty froze. "So this is it," she thought, "the worst and most terrible thing of all: I have been 'seen'! Whatever happened to Eggletina will now, almost certainly, happen to me!"
There was a pause and Arrietty, her heart pounding in her ears, heard the breath again drawn swiftly into the vast lungs. (9.3-4)