Or HaChaim on Numbers 15:22/אור החיים על במדבר ט״ו:כ״ב

1 וכי תשגו ולא תעשו, If you err and do not observe, etc. We are taught in Horiot 8 that this verse speaks about someone who commits the sin of idolatry. We find that the Torah repeats itself here, first writing "all the commandments," and then, in verse 23, "all that G'd has commanded you." The Torah appears to speak of someone who denies the validity of the Ten Commandments [commandments the people heard from G'd directly, Ed.] as well as all of the other commandments recorded in the written Torah but relayed to the people only through Moses. The message of the verse is that if someone worships idols he effectively rejects all the positive as well as all the negative commandments which make up Judaism. The words לא תעשו refer to the positive commandments, whereas the words את כל אשר צוה ה׳ אליכם refer to the negative commandments. The Torah informs us of a new concept, i.e. that there are individual positive commandments whose performance is equated with performance of all the positive commandments. Nonetheless, if someone worships idols he is considered as if he had also denied the validity of all the positive commandments. Similarly, there are some negative commandments the violation of which is considered as equivalent to rejection of all the negative commandments and the punishment in store for the person guilty of this is that which would be visited upon a person who had physically violated all the negative commandments.