Severus Snape taught us that heroes hide in the most unlikely places.

Hermione Granger taught us that being bookish and intelligent doesn't make you weak.

Draco Malfoy taught us that we all make bad choices and that nobody is born bad.

Narcissa Malfoy taught us that a mother will risk everything for their child.

Lucius Malfoy taught us that being rich only means you can purchase your own method of torture.

Sirius Black taught us that the people who love us, never leave us.

Lily Evans taught us that some things are worth dying for.

James Potter taught us that even heroes have flaws.

Remus Lupin taught us that even a lone wolf can find a pack.

Fred and George Weasley taught us that even when days are darkest, laughter can make all the difference.

Ron Weasley taught us that when days are dark, friends are few but those who remain are always true.

Molly Weasley taught us never to doubt a mother when her children are in danger.

Percy Weasley taught us that in the end nothing is more important than family.

Harry Potter taught us that doing what is right is rarely easy.

Ginny Weasley taught us that behind every strong man stands an even stronger woman.

Luna Lovegood taught us to never be afraid of being yourself.

Neville Longbottom taught us that the only way to be brave is to stand up for what you believe in.

Colin Creevey taught us what it truly means to be forever young.

Cho Chang taught us that your first love is never your last.

Arthur Weasley taught us that you don't need to be rich to be happy.

Bellatrix Lestrange taught us that evil will always exist in people, no matter how hard you try to fight it.

Tom Riddle taught us that love trumps hate, every single time.

Petunia Dursley taught us that you never truly stop loving your family, even when they hurt you.

Peter Pettigrew taught us that redemption is never unattainable.

Fleur Delacour taught us that love is never skin deep.

Bill Weasley taught us that scars are beautiful and not to be despised.

Minerva McGonagall taught us what it truly means to be a mentor.

Dobby taught us that even the smallest of us can make a huge difference if we try.

I'm a Slytherin and proud to be one.

I'm ruthless when need be, loyal to those who are loyal to me, have a need to prove myself and am very ambitious.

Looks like Pottermore's Sorting Hat knows what its doing.