in the same manner we speak of the dangers of logic, when what we really mean is the danger of fallacy.
But the real point about the limitation of logic and the partial overthrow of logic by writers like Carlyle is deeper and some what different. The fault of the great mass of logicians is not that they bring out a false result, or, in other words, are not logicians at all. Their fault is that by an inevitable psychological habit they tend to forget that there are two parts of a logical process—the first the choosing of an assumption, and the second the arguing upon it; and humanity, if it devotes itself too persistently to the study of sound reasoning, has a certain tendency to lose the faculty of sound assumption. It is astonishing how constantly one may hear
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