Win him to Christ and it will last forever. Too many are majoring in trivial pursuit. It just makes sense, it is wise, to win people to Jesus. All the presidents and kings of the world do not have the answers, we Christians do and it is the best kept secret in the world. Let's graciously get the gospel to ever person with whom we have that moment of personal contact.
People have the funniest ideas.
I do not walk down the street and warm feelings come over me to witness. Do it out of obedience to a Holy God and it will transform your life. To make a difference. A college girl led a lady to Christ. The woman's husband was an atheist and a radical.