If reason is a universal faculty, the decision of the common mind is the nearest criterion of truth.
I push every day against forces that say you have to go faster, be more effective, be more productive, you have to constantly outdo yourself, you have to constantly outdo your neighbor - all of the stuff that creates an incredibly productive society, but also a very neurotic one.
Once I looked into a mirror at my face I felt like it was completely convincing. I was Salieri.