There is a Persian proverb: 'To test that which has been tested is ignorance.' To try to test something without the means of testing is even worse.
Idries ShahThere is a succession of experiences which together constitute the educational and developmental ripening of the learner, according to the Sufis. People who think that each gain is the goal itself will freeze at any such stage, and cannot learn through successive and superseding lessons.
Idries ShahOne can give or withhold in a manner far more effective, sophisticated, useful, which is quite invisible to people who think that giving or withholding is done by external assessment. If you seek some mark of favour or 'promotion', know that you are not ready for it. Progress comes through capacity to learn, and is irresistible. Nobody can stand between you and knowledge if you are fit for it.
Idries Shah