Directions: In the question given below, the first and sixth sentence are given in the beginning as S1 and S6. The middle four sentences have been jumbled up. These are labelled as P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark it as your answer.

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.