Charles Ellicott Commentary Exodus 35:1

"And Moses assembled all the congregation of the children of Israel, and said unto them, These are the words which Jehovah hath commanded, that ye should do them." — Exodus 35:1 (ASV)

These are the words.—Exodus 35:2 is, in the main, a repetition of Exodus 31:15, but Exodus 35:3 is new, or, at any rate, only contained by implication in any previous legislation. Kindling fire was in early times a hard piece of manual work, being effected by the friction of two pieces of dry wood.