The sharing of our faith with an unbeliever would be simpler if we really understood we are the witness not the attorney. We are not to argue the case just proclaim the truth about what He has done for us. Let me share something I read recently.
(A metropolitan (bishop) of the Orthodox Church in Russia was faced with an atheist in the congregation who loudly declared, "Today nobody believes in the resurrection of Christ." Instead of answering the claim, the metropolitan cried out, "Christ is risen!" and the hall, which was supposedly filled with atheists, responded with a roar, "Indeed He is risen!"
This is the proclamation of faith. It is often a waste of time and energy to argue with doubters--including ourselves. If we are assailed with unbelief, let us return to the bedrock of faith: the resurrection, for without this our faith is certainly vain. Let us shout (even alone with our private doubts) Christ is risen! It is a fact. Everything else is trivial by comparison.)
"......Ye shall be My witnesses......." Acts 1:8b
May the Lord richly bless you today as you serve Him as a witness. Never forget that you are loved!!!