Canon and non-canon scenes?

[harrie]

Originally Posted by Ashen Key

...but that comment about the Na'vi not knowing how to lie? That I ignore, because it makes little sense and has unfortunate implications and I personally dislike it. And it was in a deleted scene....

That was already in the theatrical cut. I remember, somewhere in the training montage as a narrative from Jake "they don't even have a word for 'lie'". So it's canon.