Yes, it's absolutely true. We're not saying we're not sorry.
Free will? Ha! That's just a myth perpetuated by people who don't understand the intricacies of the Timestream.
No, you can't. Don't even think about it. You'll just end up causing a paradox and having to deal with the consequences.
Well, there's this one exception. If you're a time-traveling ninja, you might be able to change the course of events. But don't tell anyone we said that.
Sorry, that's classified information. But let's just say it involves a lot of training, a lot of danger, and a lot of bad decisions.