You must accept that if the computer is a tool, it is the job of tool user to know what to use it for.
Peter DruckerWhat is the major problem? It is fundamentally the confusion between effectiveness and efficiency that stands between doing the right things and doing things right. There is surely nothing quite so useless as doing with great efficiency what should not be done at all.
Peter DruckerCultivate a deep understanding of yourself - not only what your strengths and weaknesses are but also how you learn, how you work with others, what your values are, and where you can make the greatest contribution. Because only when you operate from strengths can you achieve true excellence.
Peter Drucker