Sarah

“Lily and James only made you Secret-Keeper because I suggested it,” Black hissed, so venomously that Pettigrew took a step backward. “I thought it was the perfect plan... a bluff... Voldemort would be sure to come after me, would never dream they’d use a weak, talentless thing like you... It must have been the finest moment of your miserable life, telling Voldemort you could hand him the Potters.”
― J.K. Rowling, Harry Potter and the Prisoner of Azkaban

“I solemnly swear that I am up to no good.”
― J.K. Rowling, Harry Potter and the Prisoner of Azkaban

“Did you like question ten, Moony?" asked Sirius as they emerged into the entrance hall.
"Loved it," said Lupin briskly. "Give five signs that identify the werewolf. Excellent question."
"D'you think you managed to get all the signs?" said James in tones of mock concern.
"Think I did," said Lupin seriously, as they joined the crowd thronging around the front doors eager to get out into the sunlit grounds. "One: He's sitting on my chair. Two: He's wearing my clothes. Three: His name's Remus Lupin...”
― J.K. Rowling, Harry Potter and the Order of the Phoenix

“Sirius looked out of the fire at Harry, a crease between his sunken eyes.
“You’re less like your father than I thought,” he said finally, a definite coolness in his voice. “The risk would’ve been what made it fun for James.”
“Look —”
“Well, I’d better get going . . . I’ll write to tell you a time I can make it back into the fire, then, shall I? If you can stand to risk it?”
There was a tiny pop, and the place where Sirius’s head had been was flickering flame once more.”
― J.K. Rowling, Harry Potter and the Order of the Phoenix