Imamat 1:13

1:13 Then the one presenting the offering must wash the entrails and the legs in water, and the priest must present all of it and offer it up in smoke on the altar – it is a burnt offering, a gift of a soothing aroma to the Lord.

Keluaran 29:18

29:18 and burn ¹  the whole ram on the altar. It is a burnt offering ²  to the Lord, a soothing aroma; it is an offering made by fire ³  to the Lord. ⁴ 

Imamat 9:14

9:14 and he washed the entrails and the legs and offered them up in smoke on top of the burnt offering on the altar.

[29:18]  ¹ tn Heb “turn to sweet smoke.”

[29:18]  ² sn According to Lev 1 the burnt offering (often called whole burnt offering, except that the skins were usually given to the priests for income) was an atoning sacrifice. By consuming the entire animal, God was indicating that he had completely accepted the worshiper, and as it was a sweet smelling fire sacrifice, he was indicating that he was pleased to accept it. By offering the entire animal, the worshiper was indicating on his part a complete surrender to God.

[29:18]  ³ tn The word אִשֶּׁה (’isheh) has traditionally been translated “an offering made with fire” or the like, because it appears so obviously connected with fire. But further evidence from Ugaritic suggests that it might only mean “a gift” (see Milgrom, Leviticus 1-16, 161).

[29:18]  ⁴ sn These sections show that the priest had to be purified or cleansed from defilement of sin and also be atoned for and accepted by the Lord through the blood of the sacrifice. The principles from these two sacrifices should be basic to anyone seeking to serve God.