Exode 33:15

And he said to Him, If Thy wrath go not from us, suffer us not to go up from hence under the frown of Thy displeasure.

AND HE [Moses] SAID UNTO HIM: IF ‘PANECHA’ (THY PRESENCE) GO NOT WITH ME, CARRY US NOT UP HENCE. The meaning thereof according to Rashi is as follows: “This is what I desired, for if it be by an angel, rather do not carry us up from here.” But G-d forbid! that Moses should say, If Thy presence go not, after he had already been promised, My presence shall go!
And Rabbi Abraham ibn Ezra explained that G-d said to Moses: “I Myself will go, and only you will I give rest, for only with you will I go [but I will not dwell in the midst of the people].” But Moses replied: “If Your presence does not go with the whole nation, carry us not up hence.” This is why Moses used the plural, “carry us up.” But this interpretation too, does not fit the verses properly. For Moses said at first, Thou hast not let me know whom Thou wilt send with me — in the singular. Now even at the time of G-d’s good-will, before the sin [with the golden calf occurred], He also said, Behold, I send an angel before thee, to keep thee by the way, and to bring thee into the place which I have prepared, [and yet this promise too is expressed in the singular — to Moses]! And if you will say that the singular there [before ‘thee’, to keep ‘thee’ etc.] refers to Israel [as one unit], then here also it could be explained to refer to all Israel! Besides, if it is so [as Ibn Ezra interpreted], that Moses requested of G-d that He inform him who is the angel He would send with him, then we see that Moses was satisfied with the angel, concerning whom it is said, for My Name is in him,, 23:21. and G-d answered him with a double, and redoubled, beneficence, over and above that which he had asked for — that He Himself would go!
But this section of Scripture cannot possibly be grasped by one who has not heard the secrets of the Torah. The following is its meaning by way of the Truth. Moses said, and Thou hast not let me know who is the angel Thou wilt send with me, and he requested that He fulfill two things He had said to him: firstly, that I know thee by Name, meaning [G-d said to Moses] that “I will be known to you by My [Great] Name, for your sake” [and this was now Moses’ request, that he be not divested of this highest degree of prophecy on account of the incident of the calf]. It is possible that the phrase, yet Thou hast said, [I know thee by Name], is based upon what He had said to Moses [with reference to …

אם אין פניך הולכים, this is not a harping on a request already made and granted, but it is an introductory remark to an additional request by Moses. במה וודע...ופלינו אני ועמך?; Moses asks that he personally will be perceived as enjoying G’d’s special regard, by being distinguished in some visible manner. He argues that if he were to be thus recognisable as G’d’s intimate, this would reflect also on the people he is leading and would show the nations of the world the uniqueness of Israel and its relationship to its G’d.

אם אין פניך הולכים, now already when we are still encamped, seeing that You have withdrawn Your presence, then You better do not bring us any further from here for it would be preferable for us to remain here in the desert than to enter the Holy Land without Your Presence among us. By staying right here, we would at least be exposed to the manifestation of Your continued Presence.

ויאמר אליו, “He said to him:” this whole conversation is difficult to understand seeing that G–d had already assured Moses that He, would walk with them personally as He had said: “I will personally go with you” (33,14). Furthermore, why did Moses say afterwards in verse 16: “how can I know that both I and Your people have found favour in Your eyes, except by the fact that You will walk with us and we will be distinguished vis a vis any other nation?” G–d had already agreed to do what Moses had asked of Him! We may have to understand the whole dialogue between G–d and Moses as follows: G–d’s words: והניחותי לך, “and I will give you rest,” at the end of verse 14 are addressed to Moses personally, but are not a promise to the people. G–d did not promise that the people can feel at “rest,” i.e. reassured so that they would not have to worry about their future. They will not be able to experience the glory of My presence. When Moses heard this, he continued that unless the people can see that You have agreed to personally lead us as You have done in the past, even I do not know that I have found favour in your eyes. At that point G–d responded that He would walk with the people as before the episode of the golden calf. An alternate interpretation: after the words: פני ילכו, “I will personally go (with you),“ Moses understood that G–d’s anger had ceased, and that He now related to the people as He had done when He had said: (Leviticus 17,10) ונתתי פני , “I’ll set My face against him.” (At that time individual wrongdoing had been the subject.) Once My anger has receded from that level, G–d meant, I will give you rest, but not immediately. Upon hearing this, Moses continued pleading saying that this was not good enough for him until the relationship between G–d and Moses as well as the people had been completely restored. G–d’s response to Moses’ “ultimatum” which had been accompanied by Moses refusing to move from that place any further, was: “| have decided to go along with your conditions.”