Who said "Sometimes being alone is exactly what yeh need."?

This quote is attributed to Rubeus Hagrid.

Sometimes being alone is exactly what yeh need. - Rubeus Hagrid

"Sometimes being alone is exactly what yeh need."

Rubeus Hagrid Solitude

"You're a wizard, Harry."

"I'm not supposed to tell you that, but I will anyway."

"Yer mum and dad would've been proud."

"There's no Hogwarts without magic, and there's no magic without wonder."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."