[Harry’s] hand was on the doorknob when Phineas Nigellus said lazily, ‘I have a message for you from Albus Dumbledore.’
Harry span round.
‘What is it?’
‘”Stay where you are.”‘
‘I haven’t moved!’ said Harry, his hand still upon the doorknob. ‘So what’s the message?’
‘I have just given it to you, dolt,’ said Phineas Nigellus smoothly. ‘Dumbledore says, “Stay where you are.'”