II Timothy‬ ‭4‬:‭8‬ ‭NKJV‬‬

“Finally, there is laid up for me the crown of righteousness, which the Lord, the righteous Judge, will give to me on that Day, and not to me only but also to all who have loved His appearing.”

Apostle Paul, even though he started off as a persecutor of the church, turned out to become one of the greatest and definitely the most effective and successful apostle of Jesus Christ. What motivated Paul to achieve so much, despite all the trials and challenges that he faced?