Davey Crockett said the above. But, the last part of his sentence is often expurgated.
What are you sure you are right about and what are you not so sure about?
What is the last convincing argument you heard that pushed you off the fence foursquare on both feet to make a decisive stand?
Where have you changed your opinion and why?
Do you sometimes disagree just because of the person who is on the other side of an issue?
Do you agree with Davey Crockett?
When is the last time you pulled the proverbial trigger?