Leviticus 5:18
He shall bring a ram without blemish from of the flock, according to your estimation, for a trespass offering, to the priest; and the priest shall make atonement for him concerning the thing in which he sinned and did not know it, and he will be forgiven.
Leviticus 5:15-16
"If anyone commits a trespass, and sins unwittingly, in the holy things of the LORD; then he shall bring his trespass offering to the LORD, a ram without blemish from the flock, according to your estimation in silver by shekels, after the shekel of the sanctuary, for a trespass offering.
Leviticus 1:4
He shall lay his hand on the head of the burnt offering, and it shall be accepted for him to make atonement for him.
Leviticus 4:20
Thus shall he do with the bull; as he did with the bull of the sin offering, so shall he do with this; and the priest shall make atonement for them, and they shall be forgiven.
Leviticus 6:6-7
He shall bring his trespass offering to the LORD, a ram without blemish from the flock, according to your estimation, for a trespass offering, to the priest.
1 Timothy 2:5-6
For there is one God, and one mediator between God and men, the man Christ Jesus,