Parashas Shemos · Passuk 5:2
Chabad.org — English translation + Rashi
Torah Temimah points to Chullin 89a (verified).
Sefaria — Exodus 5:2
Sefaria — Chullin 89a
E-Daf — Chullin 89a
English: “The Holy One said to Israel: “I desire you, because even when I bestow greatness upon you, you make yourselves small before Me.” Abraham said, “I am dust and ashes”; Moses and Aaron said, “What are we?”; David said, “I am a worm and not a man.” Pharaoh, by contrast, said, “Who is Hashem that I should heed His voice?””
On the daf / in context: See the cited source for the full section.
Talmudic aggadic contrast between humility and arrogance
Chazal connect Israel’s relationship with God to humility and contrast it with Pharaoh’s boastful refusal to recognize God’s authority.