How did Dumbledore know the stone was going to be stolen?

Well, Dumbledore DID know that someone was trying to steal it from Flamel, it was just curious how he had it removed at such a convinient time. This could have been AFTER school started, and Snape saw something suspicious in Quirell’s thoughts.

How did Dumbledore know to get the Sorcerer’s Stone?

As Dumbledore explained, a person could get the stone out of the mirror only if he wanted to find it – only find it and not use it. It required the pure heart of a 11 year old Harry to retrieve the stone. He only wanted to find it so that he could stop Snape from stealing it.

How did Dumbledore know Harry was going to the Mirror of Erised?

The most plausible explanation is that Dumbledore had some intruder-detecting spells in or around the room, which alerted him when Harry visited the Mirror the first time.

Why does Dumbledore tell Harry to forget about the mirror?

To be clever. He wanted Harry to know what the Mirror of Erised was or he’d have stored it where no students could find it in the first place. The warning not to look for it was a warning that it could be dangerous, but also an enticement to keep poking around the castle.

Where did Dumbledore go in the philosopher’s stone?

It is likely that Dumbledore assigned detention in the Forbidden Forest because he wanted Harry to find out who was after the Philosopher’s Stone. This would help provide motivation for Harry to protect the Stone: to stop the return of the man who killed his parents.

Why did Dumbledore hide the stone in Hogwarts?

Dumbledore himself hid the Stone within the Mirror of Erised, so “only one who wanted to find the Stone — find it, but not use it — would be able to get it” (SS300).

Why does Dumbledore want Slughorn at Hogwarts?

Because Horace Slughorn used to be a teacher close to Tom Marvolo Riddle (Voldemort) when he was a student. Slughorn had a very important memory of himself and Tom that Dumbledore needed (the one in which he told Voldemort about Horcruxes). So in order to get the memory he needed him in Hogwarts.

How did Voldemort know Harry had the stone?

Voldemort used Legilimency on Harry and discovered the Stone in Harry’s pocket. He ordered Quirrell to seize the Stone. When Quirrell touched Harry, his skin burned and blistered because of the sacrifice Harry’s mother made. Harry realised that this was the only way to prevent Quirrell from getting the Stone.