God is looking for broken men who have judged themselves in the light of the cross of Christ. When He wants anything done, He takes up men who have come to the end of themselves, whose confidence is not in themselves, but in God.
H.A. Ironside

Here is a trustworthy saying that deserves full acceptance: Christ Jesus came into the world to save sinners—of whom I am the worst. But for that very reason I was shown mercy so that in me, the worst of sinners, Christ Jesus might display his immense patience as an example for those who would believe in him and receive eternal life.
Before Saul now Paul met Jesus on Damascus Road he was breathing threats and murder against the disciples of the Lord. He witness the stoning of Stephen. His mission was to destroys the church and now building Christ church.

Believer Commentary wrote, That Paul had broken the Ten Commandments before his conversion is abundantly evident from this verse. He speaks of himself as formerly a blasphemer, a persecutor, and an insolent man. As a blasphemer, he spoke evil concerning the Christians and their Leader, Jesus. As a persecutor, he sought to put Christians to death because he felt that this new sect posed a threat to Judaism. In carrying out his evil plan, he took delight in committing insolent, violent, and outrageous acts against the believers. Although it is not as obvious from the English words, there is an ascending scale of wickedness in the three words blasphemer, persecutor, and insolent. The first sin is a matter of words only. The second describes suffering inflicted on others for their religious beliefs. The third includes the idea of cruelty and abuse.
Matthew Hendy wrote ,”Blasphemy, persecution, and injuriousness, are very great and heinous sins, and those who are guilty of them are sinners before God exceedingly. To blaspheme God is immediately and directly to strike at God; to persecute his people is to endeavour to wound him through their side.
The apostle Paul was a head strong and very relentless person. He understood the Christmas Story because he needed to be redeemed from his sins. If Jesus can redeem Saul who changed his name to Paul, from, where he was a blasphemer, a persecutor, and an insolent man. He became the greatest missionary because understood grace as stated in Romans 5; 20-21,” But where sin increased, grace increased all the more, 21 so that, just as sin reigned in death, so also grace (might reign through righteousness to bring eternal life through Jesus Christ our Lord, and Ephesians 2; 8-10 8 For it is by grace you have been saved, through faith—and this is not from yourselves, it is the gift of God—9 not by works, so that no one can boast. 10 For we are God’s handiwork, created in Christ Jesus to do good works, which God prepared in advance for us to do.” Some of the greatest evangelist failed God miserably.
Remember we’re celebrating the birth of Christ, since God the Father sent mankind the greatest gift His Son Jesus Christ who was willing pitch His tent here on earth, and eventually sacrifice Himself on the cross for mankind sins. So they can be reconciled to His Father when humankind repent, confess, and believe their sins to Christ. They would be reconciled with God, and we would have peace with God. This is true Christmas Story.
The greatest gifts you give to your love ones or the lost souls world are telling them about Jesus in our how He redeemed them from theirs sins.