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

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

That's all that's left, isn't it? - Bucky Barnes (Civil War)

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

Bucky Barnes (Civil War) Truth

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

"You know me."

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

"I remember all of it."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."