Parashas Shemos · Passuk 1:10
Chabad.org — English translation + Rashi
Torah Temimah points to Sotah 11a (verified).
Sefaria — Exodus 1:10
Sefaria — Sotah 11a
E-Daf — Sotah 11a
English: The singular “lo” is unexpected; Rabbi Ḥama son of Rabbi Ḥanina explains that Pharaoh meant: Let us act wisely against the Savior of Israel, referring to God.
In context: See the cited source for the full section.
Custom — diyuk from singular versus plural.
Chazal teach that the counsel was aimed at the future savior of Israel; the choice of water as the means of death was a calculated attempt to evade the divine oath against a universal flood.