Bible verses about Boldness in Testimony
(From Forerunner Commentary)
Every genuine believer in Jesus Christ will have conflict at times, and in one form or another, every Christian will be opposed for the sake of God's truth. The apostle Paul alerts us that "everyone who wants to live a godly life in Christ Jesus will be persecuted" (II Timothy 3:12), and that "it has been granted to you on behalf of Christ not only to believe on Him, but also to suffer for His sake" (Philippians 1:29).
God will not abandon us in the conflict any more than He abandoned the once-blind man. When challenged about his opinion of Jesus, he bravely answered, "He is a prophet" (John 9:17). God has His purposes in allowing persecution, and among them are at least two seen in John 9: Opposition will 1) sharpen our testimony and 2) deepen our understanding of God's purpose and way of life. No less than the man born blind, we should be humbly bold in our testimony. If the blind man, who had merely met Jesus and knew little about Him, could be so, why should we Christians not be also in our defense of God's way of life?
Martin G. Collins
The Miracles of Jesus Christ: Healing a Man Born Blind (Part Two)