וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה בֹּ֖א אֶל־פַּרְעֹ֑ה כִּֽי־אֲנִ֞י הִכְבַּ֤דְתִּי אֶת־לִבּוֹ֙ וְאֶת־לֵ֣ב עֲבָדָ֔יו לְמַ֗עַן שִׁתִ֛י אֹתֹתַ֥י אֵ֖לֶּה בְּקִרְבּֽוֹ׃
And the LORD said unto Moses: ‘Go to Pharaoh; for I have hardened his heart, and the heart of his servants, that I might show these My signs in their midsts."
There are a few things puzzling in the opening verse of parshat Bo. First, the discussion in this verse and the next few, when G-d is talking, he doesn't relay to Moses what he should say to Pharaoh. With all the other plagues that Moses appeared to Pharaoh, G-d usually says, "Tell Pharaoh 'Let my people go and serve me.' Additionally, he tells Mosses to relay a warning about the next plague.
Here, there is neither. What's even stranger is that the phrasing seems to make "Because I have hardened Pharaoh's heart" as the reason to go to Pharaoh. That doesn't seem to be a reason to go. As a matter of fact, it seems to be a reason not to go. If Moses already knows that Pharaoh won't listen to anything he tells him, why should he go at all? Shouldn't the reason be more like, "Because I want him to release my people"?