Ariel Polhemus

“Keeping secrets from young ears only plants seeds in between them,”
― Barbara Kingsolver, Demon Copperhead

“Nearing the Riefler's big red brick house he could see the yellow light spill out on the galerie Yvonne had insisted her German husband wrap around the house.  There was a tightening in Victor's chest.  It happened to him whenever he got close to the Riefler's house, or church on Sunday- anytime he thought he might catch a glimpse of Celena.”
― Barbara Sontheimer, Victor's Blessing

“Puff, puff, chug, chug, went the Little Blue Engine. “I think I can - I think I can - I think I can - I think I can - I think I can - I think I can - I think I can - I think I can - I think I can.”

[…]

“I thought I could. I thought I could. I thought I could.

I thought I could.

I thought I could.

I thought I could.”
― Watty Piper, The Little Engine That Could

“or group of”
― Jean M. Auel, The Earth's Children Series 6-Book Bundle: The Clan of the Cave Bear, The Valley of Horses, The Mammoth Hunters, The Plains of Passage, The Shelters of Stone, The Land of Painted Caves