One of the basic rules of the universe is that nothing is perfect. Perfection simply doesn't exist.....Without imperfection, neither you nor I would exist
Stephen HawkingI am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.
Stephen HawkingA model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and second if the model makes definite predictions that can be tested, and possibly falsified, by observation.
Stephen Hawking