To know is one thing, and to know for certain that we know is another. - William James

beyond the very extremity of fatigue-distress, amounts of ease and power that we never dreamed ourselves to own, — sources of strength habitually not taxed at all, because habitually we never push through the obstruction, never pass those early critical points.

In the practical use of our intellect, forgetting is as important a function as recollecting.

But even the distant reader must allow that Clifford's mental personality belonged to the highest possible type to say no more. The union of the mathematician with the poet, fervor with measure, passion with correctness, this surely is the ideal. And if in these modern days we are to look for any prophet or saviour who shall influence our feelings towards the universe as the founders and renewers of past religions have influenced the minds of our fathers, that prophet, if he ever come, must, like Clifford, be no mere sentimental worshipper of science, but an expert in her ways. And he must have what Clifford had in so extraordinary a degree—that lavishly generous confidence in the worthiness of average human nature to be told all truth, the lack of which in Goethe made him an inspiration to the few but a cold riddle to the many.