English of Core Text: R. Yitzchak said: change of name tears up a person’s decree, as it is written “you shall not call her name Sarai, for Sarah is her name,” and afterward “I will bless her and I will also give you a son from her.”
On the daf / in context: Parallel to the teaching on change of place (12:1); the new name accompanies the reversal of barrenness.
Type of Learning
Custom
What Is Learned
A new name, like a new place, can reopen a closed decree.