Who said "The greatest burden is the power to act."?

This quote is attributed to Vision (Civil War).

The greatest burden is the power to act. - Vision (Civil War)

"The greatest burden is the power to act."

Vision (Civil War)

"I am Vision. I am not Ultron. I am not an AI."

"The body I inhabit was originally designed to cause destruction."

"It is difficult to assign a practical value to wisdom."

"I exist because of a choice made by a good man."