Who said "Solitude is not loneliness; it's self-discovery."?

This quote is attributed to Quicksilver.

Solitude is not loneliness; it's self-discovery. - Quicksilver

"Solitude is not loneliness; it's self-discovery."

Quicksilver Solitude

"Time moves pretty fast. If you don't stop and look around once in a while, you could miss it."

"Life's too short to waste on regrets."

"Love is what makes us brave."

"Sometimes the fastest way forward is to slow down."

"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."