I am pleased to learn that you are conducting classes very nicely and Krishna is supplying you intelligence to answer some critical questions by the audience. It is very good news. The more one can meet opposite elements successfully the more one is supposed to be advanced in Krishna consciousness. To a sincere heart Krishna gives all intelligence to combat such dialogues. Be sincere servant of Krishna and Krishna gives you everything. By the Grace of Krishna you are now engaged in some good work. Do it sincerely and help the organization to your best.