Exodus 6:11

6:11 “Go, tell Pharaoh king of Egypt that he must release ¹  the Israelites from his land.”

Exodus 6:30

6:30 But Moses said before the Lord, “Since I speak with difficulty, ²  why should Pharaoh listen to me?”

Exodus 19:7

19:7 So Moses came and summoned the elders of Israel. He set before them all these words that the Lord had commanded him,

[6:11]  ¹ tn The form וִישַׁלַּח (vishallakh) is the Piel imperfect or jussive with a sequential vav; following an imperative it gives the imperative’s purpose and intended result. They are to speak to Pharaoh, and (so that as a result) he will release Israel. After the command to speak, however, the second clause also indirectly states the content of the speech (cf. Exod 11:2; 14:2, 15; 25:2; Lev 16:2; 22:2). As the next verse shows, Moses doubts that what he says will have the intended effect.

[6:30]  ² tn See note on Exod 6:12.