Because he had every reason to believe from your behavior that you would say yes.
I would so like to believe this, from our position in the here and now.
Who would believe a man from another - what does he call it?
The body is believed to date from the late 17th or early 18th century.
The site is believed to date from the early 6th century.
"You believe in the separation of Church from common sense!"
But people in ancient history may have believed different things from each other.
So he has made up his mind to believe, from the outset, that every man's hand is against him.
I was just naive enough to believe it from the first guy who found me.
This section is believed to date from the late 3rd century.