“I can teach you how to bewitch the mind and ensnare the senses. I can tell you how to bottle fame, brew glory, and even put a stopper in death.”
Source: Harry Potter and the Sorcerer's Stone
“SNAPE: "Did no one teach you to knock, boy?"
Scorpius looks up at Snape, slightly breathless, slightly unsure, slightly exultant.
SCORPIUS: "Severus Snape. This is an honor.”
Source: Harry Potter and the Cursed Child: Parts One and Two
“D'you know what that - (he called Snape something that made Hermoine say "Ron!")" - is making me do? I've got to scrub out the bedpans in the hospital wing. Without magic!" He was breathing deeply, his fists clenched.
"Why couldn't Black have hidden in Snape's office, eh? He could have finished him off for us!”
Source: Harry Potter and the Prisoner of Azkaban
“Only Muggles talk of the ‘mind reading.’ The mind is not a book, to be opened at will and examined at leisure. Thoughts are not etched on the inside of skulls, to be perused by any invader. The mind is complex and many-layered thing, Potter… or at least, most minds are…”
Source: Harry Potter and the Order of the Phoenix
“Harry Potter is dead.”
Source: Harry Potter and the Cursed Child: Parts One and Two
“You will never know how high you can climb until you reach the top.”
“One person. All it takes is one person."
-Severus Snap , Harry Potter and the Cursed Child”
“Harry Potter told his son you’re a great man. [...] He said you were the bravest man he’d ever met. He knew, you see — he knew your secret — what you did for Dumbledore. And he admired you for it — greatly. And that’s why he named his son — my best friend — after you both. Albus Severus Potter.”
Source: Harry Potter and the Cursed Child: Parts One and Two
“DON'T CALL ME COWARD!”
Source: Harry Potter and the Half-Blood Prince
“After all this time?”
“Always,” said Snape.”
Source: Harry Potter and the Deathly Hallows