great artists there are of either kind in whom no such process of growth or transformation is perceptible: of these are Coleridge and Blake; from the sunrise to the sunset of their working day we can trace no demonstrable increase and no visible diminution of the divine capacities or the inborn defects of either man's genius; but not of such, as a rule, are the greatest among artists of any sort.
Another rock on which modern steersmen of a more skilful hand than these are yet liable to run through too much confidence is the love of their own conjectures as to the actual date or the secret history of a particular play or passage. To err on this side requires more thought, more learning, and more ingenuity than we need think to find in a whole tribe of finger-counters and figure-casters; but the outcome of these good gifts, if strained or perverted to capricious use, may prove no less barren of profit than the labours of a pedant on the letter of the text. It is a tempting exercise of intelligence for a dexterous and keen-witted scholar to apply his solid learning and his vivid fancy to the detection or the interpretation of some new or obscure point in a great man's life or work; but none the less is it a perilous pastime to give the reins to a learned fancy, and let loose conjec-
