Believing in it and doing it are two different things.
Jackson stood, hardly believing his eyes.
The Parisians received the news of the event with joy, believing that freedom was now at last to be established on a firm basis by the man whose name was the synonym for victory in the field and disinterestedness in civil affairs.
Pierre listened with swelling heart, gazing into the Mason's face with shining eyes, not interrupting or questioning him, but believing with his whole soul what the stranger said.
She suddenly felt foolish for believing David Kingsly.