Answer:
He said “The only thing we have to fear is fear itself” meaning that we don't need to be afraid of anything other than being afraid — if everyone will remain calm, the troubles can be sorted out and addressed, but if people panic and stampede, things will only get worse.
Explanation:
<span><span>"he heard the slap of the window curtains
against the wall and the sound of paper fluttering from his desk,
and he had to push to close the door." quoted from the book</span></span>