That's The Perennial Appeal Of Magic -

I Seem To Remember Telling You Both That I Would Have To Expel You If You Broke Any More School Rules,” Said Dumbledore. Ron Opened His Mouth In Horror. “which Goes To Show That The Best Of Us Must Sometimes Eat Our Words,” Dumbledore Went On, Smiling.

Hogwarts Was The First And Best Home He Had Known. He And Voldemort And Snape, The Abandoned Boys, Had All Found Home Here.

I Don't Mean To Be Rude—" He Began, In A Tone That Threatened Rudeness In Every Syllable. "yet, Sadly, Accidental Rudeness Occurs Alarmingly Often," Dumbledore Finished The Sentence Gravely.

So After E, It’s A For ‘acceptable,’ And That’s The Last Pass Grade, Isn’t It?” “yep,” Said Fred, Dunking An Entire Roll In His Soup, Transferring It To His Mouth, And Swallowing It Whole. “then You Get P For ‘poor’ ” — Ron Raised Both His Arms In Mock Celebration — “and D For ‘dreadful.’ ” “and Then T,” George Reminded Him. “t?” Asked Hermione, Looking Appalled. “even Lower Than A D? What On Earth Does That Stand For?” “ ‘troll,’ ” Said George Promptly.

You Are — Truly Your Father’s Son, Harry. . . .