In my experience, you always think you know what you're doing; you always think you can explain, but you always discover, years later, that you didn't and you couldn't. This leads me to suspect that the principal function of human reason is to rationalize what your lizard brain demands of you. That's my idea.
Dave HickeyEven if one succeeds in making a silk purse out of a sow's ear, there remains the problem of what to do with a one-eared sow.
Dave Hickey