As I was reading through Romans 5, verse 19 stuck out to me, "... because one person (Jesus) obeyed God, many will be made righteous." The power of one act of obedience to the will of God can have a tremendous impact. The Holy Spirit impressed upon me that the faithful actions of a few Godly people can do an enormous amount of good.
One of the most humbling truths revealed in God's Word is that God uses men and women for the accomplisment of His purposes. Some people are reluctant to trust God completely with their lives, fearing that He may want to make a change in their plans. Yes, He will change our plans. However, His plans are infinitely better than the very best we could ever conceive.
The man or woman God uses may be a very unlikely person. God reached Naaman through "a little maid" - look up 2 kings 5:2. When the prophet Jeremiah is thrown into a prison cistern, the Kings servant, an Ethiopian eunuch comes to his aid and speaks up on his behalf before the King. The King listens to his appeal and commands Jeremiah be lifted out of the dungeon. When God wanted to lead Saul of Tarsus into the assurance of salvation He used Ananias. But who was Ananias? He is described in Acts 9:10, not as an apostle, not as an outstanding man, but as "a certain disciple."
God delights to use ordinary people to do extraordinary things, and this should be a great encouragement to most of us - Look up 1 Corinthians 1:26-28. You may be a very "ordinary" person in man's eyes, but the Lord wants to use you as He used Ananias. Ananias was just one "disciple," but through his one act of obedience, untold millions have been made righteous.