The mirror will be moved to a new place tomorrow. Harry, I ask you not to look for it again. If you happen to see it one day, be prepared.

It is useless to indulge in illusory dreams and forget about real life. Remember this. Well, why not put on that amazing invisibility cloak and go back to sleep?

Other quotes:

1. What determines a person's destiny is his choice, Harry, not just his ability.

（It is our choices, Harry, that show what we truly are, far more than our abilities..）

2. People must face reality and cannot live in it all the time. In fantasy.

（Don't dwell on dreams and forget to live.）

Extended information:

Albus Dumbledore (1881-1997), His full name is Albus Percival Wulfric Brian Dumbledore, the main protagonist of the novels "Harry Potter" series and "Fantastic Beasts and Where to Find Them" series. Character;

Born in Godric's Hollow, England, in 1881, he studied at Gryffindor House, Hogwarts School of Witchcraft and Wizardry from 1892 to 1899, specializing in transfiguration and defense against the dark arts. During the summer vacation of 1899, I met Gellert Grindelwald, made an appointment to search for the Deathly Hallows together, and made a blood pact, vowing never to harm each other.

(Later they parted ways) Dumbledore knew mermaid language and goblin language. Famous achievements include discovering the twelve uses of fire dragon blood, working effectively with Nicolas Flamel in alchemy, defeating the dark wizard Gellert Grindelwald in 1945, guiding Harry Potter to defeat Voldemort, etc. He is the only wizard who is feared by Voldemort.

He is the principal of Hogwarts School of Witchcraft and Wizardry. He has served as a transfiguration teacher, received the Order of Merlin First Class, founder and secret keeper of the Order of the Phoenix, president of the International Federation of Magicians, and chief wizard of the Wizengamot;

Has been nominated by the Minister of Magic many times and is recognized as the greatest wizard of our time. He is a uniquely talented, kind, gentle, and insightful person who has become a member of the history of Hogwarts. It is a rare principal who is respected by all teachers and students. Under his leadership, Hogwarts has prospered and he has become the greatest principal in the history of Hogwarts.

On the evening of June 30, 1997, before he obtained one of Voldemort’s (fake) Horcruxes, he drank a poisonous potion designed by Voldemort, which caused him to be extremely weak. Finally, he died on the school’s astronomy tower. According to the pre-planned plan, he was killed by Snape using Avada Kedavra at the age of 116.