I’ve deciphered the book page shown in the trailer (thanks to @CyRob for the enhanced screenshot).

“Whereas the fountain, the spring from which hope and life anew would flow, was imagined and brought into being by the genius of Gen Iteru, the fusion of that genius and the glorious Dust had not yet been achieved.

That would happen in the future, that would happen when we had fallen to our lowest lows, and the only thoughts were thoughts of survival, of our children, of our hopes for the future. It was therefore, upon their deathbed, that Gen Iteru spoke, nay, proclaimed, exhorting the Lords of the Amber Plains to remember their vows. That of Integrity, that of Justice, that of Simplicity, that of Charity. For Gen Iteru saw the threat and the seduction of Dust, and its power, and its ability to turn the” [here ends the page]