I would never use the word 'mastery.' I have no respect for...

I would never use the word 'mastery.' I have no respect for that term. I think it is very male and very arrogant. I don't think that there is any such thing as a master. I mean, 'master' suggests that there is something under you - usually a slave. It's the mastery of the world that has gotten us into the mess we're in!