Who said "Solitude is comfortable when you're used to being alone."?

This quote is attributed to Winter Soldier.

Solitude is comfortable when you're used to being alone. - Winter Soldier

"Solitude is comfortable when you're used to being alone."

Winter Soldier Solitude

"I'm not the Winter Soldier anymore."

"Seventy years. That's a long time to carry ghosts."

"Sometimes the best thing you can do is let go."

"I've done terrible things. I can't erase that."

"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."