Yes.

I am not sure.

I'm not sure.

I don't know about me.

I'm not sure.

And how much of that is there? ALI

But you're not sure?

You're not surly?

I'm not sure.

I... I'm not sure I understand.

I could never be certain.

I wasn't sure until now.

I'm not sure.

I wasn't certain.

Well, I'm not certain, sir.

I'm not sure I understand.

I am not certain we are friends.

I'm not sure how it happened.

I'm not sure what I'm looking at.

I wasn't really sure.

But Heidi? Not so sure.

I'm not quite sure I've succeeded.

I'll find him, be sure of that!

How can you be sure?

I am not sure about anything...

If you're not sure, tell me...

But Mohammad Jawad felt certain

You're not sure you'd want to work for her.

I were assured of the former eventuality.

If you're so sure, get the police.

You've been accusing a man and you're not sure.

I was certain the game was up, until I realized that eye was his glass one.

No, but you sure live by 'em.

If you were sure of that, you wouldn't be here.

It's definitely one of the two. I'm not really clear which one.

Not really sure why they show up, but they do.

I am not sure we have done that yet, but I believe all of us now understand that we need to do it.

And I'm not even sure we know what technology is.

Are we smarter than anybody else? I'm not sure.

Should I have listened so I can know for sure...?

How come you're so sure, Tetley?

I was positive we would have found it by now.

I'm not sure. My wife bought it at an auction sale.

I'm not sure I'm doing you a favor.

I'm not sure I know the way.