Knowledge of experience means knowledge accumulated through countless cases of the past without the awareness based on the intelligence of the principle of any case. Face mask American flag i wear a mask. To say that medicine is empirical means that medicine is not science, but that it is a practice based on accumulated observations of diseases and the treatments used to as arbitrary. Such a practice is inevitable or not; Success depends on luck. That method is appropriate for deception and deception. Occupations that are controlled “by experience” prevent the application of intelligence in a creative way; it depends on blind adherence to well established models in the past.