Better yet don't believe things. Know them. And if you don't have a conclusive answer based on the current information available then that's your current answer

Better yet don't believe things. Know them. And if you don't have a conclusive answer based on the current information available then that's your current answer. Accept it until you know more. Approach the problem logically and scientifically as you would anything else. Belief just leads to baseless biases.