Extra · Additional classical source for a Torah Temimah-silent passuk
Chabad.org — Vayikra Chapter 10 with Rashi
Sforno on Leviticus 10:1:1–2
Sefaria — Sforno on Leviticus 10:1:1
English: Sforno explains that Nadav and Avihu reasoned that just as incense followed the daily offering, a new incense offering was fitting now.
Interpretive reasoning — The source interprets the verse through its wording and context.
Sforno explains that Nadab and Abihu reasoned from the regular service and the newly manifested Divine Presence, but erred by offering incense then without the required command.