God’s “covering” over human evil through animal sacrifices ultimately point to Jesus and his death and resurrection.
God has spoken...
...that we might believe, and that believing we might see.

The Purpose of the Law
SERMONS
THE OFFERINGS
The holy Lord is present in the midst of his people (Ex. 40:34; Lev. 1:1). The people of Israel must therefore properly address their sin and impurity and must strive for personal holiness.

BURNT
Underscores prayers of petition or praise.
Grain
Pleasing aroma; It often mirrors emphasis of the offering it accompanies.
Peace
Emphasis is fellowship with the Lord by having a communion meal.
Sin
Atonement of a committed sin; metaphor of purification.
Guilt
Atonement of a committed sin; metaphor of compensation for wrongdoing

THE SACRIFICES
Atonement is a gracious act of the Lord by which sins and impurities can be dealt with (Leviticus 17:11).
BURNT
Cattle, sheep, goats, birds
Peace
Cattle, sheep, goats
Sin
Cattle, sheep, goats, birds
Guilt
Rams
Atonement
Thanks to atonement in Christianity and the rituals that connect us to it, we are able to have our debts forgiven and walk in newness with God.
-The Bible Project