Komentarz do Powtórzonego Prawa 29:28

הנסתרת לה' אלהינו THE SECRET THINGS BELONG UNTO THE LORD OUR GOD — And if you say, “But what can we do? Thou threatenest the many (the whole community) with punishment because of the sinful thoughts of one individual, as it is said, (v. 17): “Lest there should be among you a man, [or a woman or a family … whose heart turneth away this day from the Lord …]”, and afterwards it states, (v. 21) “And they will see the plagues of that land”. But surely no man can know the secret thoughts of his fellow! Now, I reply: I do not threaten to punish you because of secret thoughts for these belong to the Lord our God and He will exact punishment from that individual; but those things which are revealed belong to us and to our children that we may put away the evil from our midst; and if we do not execute judgment upon them, the whole community will be punished. — There are dots on the words לנו ולבננו to suggest that even for the revealed sins (those committed openly), He did not punish the community until they had crossed the Jordan — from the moment when they took upon themselves the oath on Mount Gerizim and Mount Ebal and had thus become responsible for one another (Sanhedrin 43b; cf. Sotah 37b).

THE SECRET THINGS BELONG UNTO THE ETERNAL OUR G-D. In the opinion of the commentators⁴⁴Ibn Ezra and others. the verse states: “It is for the Eternal our G-d to execute judgment upon those who worship idols secretly, for all hidden matters are revealed before Him, but the things that are revealed are upon us and our children that we may do to them all the words of this Law — to smite the idol-worshippers in accordance with the law of the Torah. According to the interpretation of the Rabbis, too, it is so.⁴⁵Sanhedrin 43b.
By way of the simple meaning of Scripture it is my opinion that the secret things are the sins that are hidden from those who commit them, as it is stated, Who can discern errors? Cleanse Thou me from hidden faults.⁴⁶Psalms 19:13. The verse states: “[Our] hidden sins belong to G-d alone; for them we bear no guilt for having transgressed [unknowingly]. But the things that are revealed, namely our conscious sins, belong unto us and to our children forever, that we may do all the words of this Law as an eternal statute. As such we accepted it, obligating the one who was present [when the covenant was made] and the one who was not present. And because he included in the imprecation [the obligation] to perform all the commandments, he excluded from the ban whoever commits a sin unintentionally, so that he should not be afflicted by this curse. The words of Onkelos indicate this, for he rendered it, “The secret things are before the Eternal our G-d,” [thus implying that we will not be punished for sins we have committed unknowingly], but if he agreed with the [aforementioned] interpretation of the commentators [that it is for G-d to punish conscious sins committed secretly] then Onkelos should have said, “The secret things are ‘to’ the Eternal our G-d” [to punish].

הנסתרות לה' אלוקינו, even though I have said that all of you are standing in the presence of the Lord whom it is impossible to mislead and deceive, so that He will collect His dues from everyone who owes him, G’d collects directly only from those whom it is not possible for His appointed representatives, i.e. a legally constituted judiciary to bring to justice.