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:

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