As I understand it, universal skepticism says that everything is uncertain. For example, you can't even say that you are sure that 1=1 because it depends upon your notion of equality. There are no things that are provable beyond any doubt whatsoever.
This is how I see the world.
Is this an accurate description of universal skepticism?
It frustrates me that I believe this because I want to believe in foundationalism, which I understand to mean that you start with some indisputable truth, then build your ontology and ethics and your concept of what is of value based upon that indisputable truth. Foundationalism seems, to me, the most stable way of living. Instead, I am confused and growingly depressed since everything seems uncertain and impossible to prove. I want to live a good life, but how can I do so if nothing is tied down?
My beliefs are subject to change, which could cause my goals to change and do a 180 degree turn at any moment. My life feels like a sort of random walk process. If my ontology says that everything is uncertain, then what kind of ethic would be built upon such an unstable starting point?