Doctrine > Confessions > Heidelberg Catechism > The Second Part - Our Deliverance > Lord's Day 6

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Q.Why must He be a true and righteous man?

A. He must be a true man because the justice of God requires that the same human nature which has sinned should pay for sin.1 He must be a righteous man because one who himself is a sinner cannot pay for others.2

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Q.But who is that Mediator who at the same time is true God and a true and righteous man?

A. Our Lord Jesus Christ,1 who has become for us wisdom from God – that is, our righteousness, holiness and redemption (1 Corinthians 1:30).

Heidelberg Catechism

The Second Part - Our Deliverance

God the Father and Our Creation

God the Son and Our Redemption

God the Holy Spirit and Our Sanctification

Our Justification

Word and Sacraments

Holy Baptism

The Lord's Supper