You forget a thousand things every day, pal. Make sure this is one of 'em.

Dimitri Rascalov: I want to buy you a present.
Niko: Will you wrap it up and put a pretty bow on it?

There should be a portal device on that podium over there. I can't see it though. Maybe it fell off. Do you want to go and have a quick look?
Whoah! Hello? Can you see the portal gun? Also, are you alive? That's important; should have asked that first. I'm - do you know what I'm going to do? I'm going to work on the assumption that you're still alive, and I'm just going to wait for you up ahead. I'll wait - I'll wait one hour. Then I'll come back, and, assuming I can locate your dead body, I'll bury you. All right? Brilliant! Go, team! See you in an hour! Hopefully! If you're not - dead.

We shootin' shit up? Sprayin' some motherfuckers? I can drive-by with the best of'em.

Who are you, that do not know your history?