S₁ : There are, I think, several factors that contribute to wisdom. S₆ : You have not time to consider the effect which your discoveries or inventions may have outside the field of medicine. P: This has become more difficult than it used to be owing to the extent and complexity of the specialized knowledge required of various kinds of technicians. Q: Of these I should put first a sense of proportion: the capacity to take account of all the important factors in a problem and to attach to each its due weight. R: The work is difficult and is likely to absorb the whole of your intellectual energy. S: Suppose, for example, that you are engaged in research in scientific medicine. The proper sequence should be: