Who said "That's enough for me."?

This quote is attributed to Bucky Barnes (Civil War).

That's enough for me. - Bucky Barnes (Civil War)

"That's enough for me."

Bucky Barnes (Civil War)

"I'm with you till the end of the line."

"That's all that's left, isn't it?"

"You know me."

"I don't know if I'm worth all this."