If architects built buildings the way programmers write programs, the first woodpecker that came along would destry civilisation. -Murphy's Laws of Computers
In theory there is no difference between theory and practice, but in practice there is.
My boss arrived at work in a brand-new Lamborghini. I said 'wow, that's an amazing car!', He replied 'If you work hard, put all your hours in and strive for excellence, I'll get another one next year.'