We are making the blood an alternative to righteous behavior. We are presenting the Christian salvation as an excuse for our evil nature. A more destructive concept cannot be imagined.

The following expressions are not found in the Scriptures:

Under the blood.

Covered by the blood.

God sees us through the blood.

The blood of Christ covers.

However, we do find the following:

The blood we drink during the Communion service is the blood of the  covenant, which is poured out for many for the forgiveness of sins.

Whoever drinks the blood of Christ has eternal life, and Christ will raise him up at the last day.

God has bought the Church with His own blood.

God presented Christ as a sacrifice of atonement through faith in His blood.

We have been declared righteous by the blood of Christ.

We have redemption through the blood of Christ, the forgiveness of sins.

We Gentiles have been brought near to the Jewish household of faith by the blood of Christ.

Christ reconciled to Himself all things on earth and in Heaven by making peace through His blood.

Christ entered the Most Holy Place in Heaven with His own blood, having obtained eternal redemption, a one-time payment for the sins of mankind.

The blood of Christ cleanses our conscience from the sinful deeds of the body.

In God's economy, without the shedding of blood there is no forgiveness.

Christ was sacrificed one time to take away the sins of many people.

We have confidence to enter the Most Holy Place by the blood of Jesus.

The blood of Christ makes us holy.

The blood of Jesus, God's Son, purifies us from all sin.

Christ has freed us from our sins with His blood.

Christ purchased us for God with His blood.

We wash our robes and make them white in the blood of the Lamb.

We overcome the accuser by the blood of the Lamb.

When Christ returns He will be dressed in a robe dipped in blood.