2 Nephi 1:3

And he also spake unto them concerning the land of promise, which they had obtained: how merciful the Lord had been in warning us that we should flee out of the land of Jerusalem.

He also spoke to them about the promised land they had gotten. He told them how the Lord had shown mercy by warning us to leave Jerusalem.

He talked about this land we’d reached—this promised land—and how good the Lord had been to warn us to escape Jerusalem.