This encouraged her.

Geoffrey believed, and she--believed in Geoffrey.

Indeed, is not this the secret of woman's philosophy--even, to some extent, of that of such a woman as Beatrice?
"Let the faith or unfaith of This, That, or the other Rabbi answer for me," she says--it is her last argument.

She believes in This, or That, or some other philosopher: that is her creed.

And Geoffrey was the person in whom Beatrice began to believe, all the more wholly because she had never believed in any one before.