Woow..praise the lord Pastor Jon...Anyway, Congratulations bro. I am glad you secured that certificate. This is indeed the best investment that I would recommend every believer to make.

You are right salvation is an individual affair. We are walking bibles. The lost people in the world read our lives and get to know the truth. How will they know unless someone preaches to them?
I believe It's also important to begin a conversation with someone about Jesus but in a lovely and gracious way.

I am so glad to know that you are a Christian. God bless you so much! Keep the fire burning.