Does 'I feel that you probably underestimate the danger, and therefore warn you again that I can promise you no protection.' stand in direct opposition to the premise 'I feel that you do not underestimate the danger, and therefore I do not need to warn you.'
I feel that you probably underestimate the danger, and therefore warn you again that I can promise you no protection.###I feel that you do not underestimate the danger, and therefore I do not need to warn you.