Why is justification important in the bible? Sanctification begins with justification

The story of Paul's conversion is a good explanation of what justification by faith means. Justification is a grace that accompanies baptism, that is faith, and helps us to live according to the spirit.
Remember that conversion is the step from a life full of sins (living according to the flesh) to a life of righteousness (living according to the spirit). Sanctification begins with redemption, the change of lifestyle, and justification, that is, the help of grace. The sanctification is the conformity to God, the fruition of the eternal life in the character of God
The bible teach us the conversion and justification of the apostle Paul:
"About noon as I came near Damascus, suddenly a bright light from heaven flashed around me. I fell to the ground and heard a voice say to me, Saul! Saul! Why do you persecute me?
Who are you, Lord? I asked.
"I am Jesus of Nazareth, whom you are persecuting", he replied. My companions saw the light, but they did not understand the voice of him who was speaking to me.
What shall I do, Lord? I asked
"Get up", the Lord said, "and go into Damascus. There you will be told all that you have been assigned to do". My companions led me by the hand into Damascus, because the brilliance of the light had blinded me.
A man named Ananias came to see me. He was a devout obsever of the law and highly respected by all the Jews living there. He stood beside me and said, "Brother Saul, receive your sight!". And at that very moment I was able to see him.
Then he said: "The God of our ancestors has chosen you to know his will and to see the Righteous one and to hear words from his mouth. You will be his witness to all people of what you have seen and Heard. And now what you are waiting for? Get up, be baptized and wash your sins away, calling on his name". Acts 22:6-16.

As Ananias said to Paul, "wash your sins away", this is the esence of justification, the justification is a spiritual wash, to give testimony of the divine wisdom, and in a clear sense, to redeem the oppressed. And as the parable of the talents explains, those who receive more gifts more should put them to produce.
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