Yes. He told me.

[ The bitter note of emphasis on the fact that it was Istredd she learned this from, not Geralt, carries through, but she doesn't bother lingering on it.

Ciri scoffs again, shaking her head and throwing an arm out in a vague, frustrated gesture at nothing. ]

He wanted to ask me questions. Said he was 'only' after knowledge. Like that was supposed to be some sort of absolution.

[ There is no only about it; knowledge is the most dangerous tool anyone could hold. ]