I think you'd have to say exactly what you mean by "matter". At one point in my life I felt like the continuum hypothesis was the most important question in th

I think you'd have to say exactly what you mean by "matter". At one point in my life I felt like the continuum hypothesis was the most important question in the world. Now I'm mostly concerned about finite material issues, e.g. my health. I think a good argument can be made why either of them matter much more than the other.