Remember Dumbledore’s Pensieve? In which book does he expose Harry to its power stating, “I sometimes find, and I am sure you know the feeling, that I simply have too many thoughts and memories crammed into my mind.... At these times... I use the Pensieve.“?
Answer Harry Potter and the Goblet of Fire
Harry is exposed to the powers of the Pensieve in Harry Potter and the Goblet of Fire where he witnesses as Dumbledore stows away overwhelming thoughts in the magical bowl.
Asked by Rachel Bortles · Last updated 5 years ago · 6.6K views · SOURCE