Parashas Vaeira · Passuk 6:6
Chabad.org — English translation + Rashi
Torah Temimah points to Yerushalmi Pesachim 10:1 (verified).
Sefaria — Exodus 6:6
Sefaria — Yerushalmi Pesachim 10:1
English: “Rabbi Yochanan said in the name of Rabbi Banniah: The four cups correspond to the four expressions of redemption in these verses — “I will bring you out,” “I will deliver you,” “I will redeem you,” and “I will take you.””
On the daf / in context: See the cited source for the full section.
Yerushalmi homiletic interpretation of the four expressions of redemption
The four expressions of redemption are treated as four distinct stages of redemption, providing the scriptural basis for the four cups of the Seder.