Yes it is. It doesn't say immortality, it says the tree of life in every translation I can find, but we're all using translations.

I don't fully understand that, but neither do you. I don't pretend to have all the answers, but I'm not going to pretend not to have the answers I do have.

A good guiding principle for understanding the Bible is the plain things are the main things, and the main things are the plain things.