The idea of a strict separation between sacred and secular is not a biblical one. Neither is the separation between "clergy" and "laity." When you follow Jesus, you're part of his kingdom in every realm of your life, so living out a Christian ethic and pursuing excellence and success in the marketplace by serving the needs of others and becoming generous is one way of positively impacting the world and drawing others to an understanding of God's love for them. So let's get past the stigma, break through our fears, and do this well!