The poet has the right to fashion hypotheses, and to forge his way ahead of reality. But it will often happen that when he imagines himself to be far in advance, he will truly have done no more than turn in a circle; that where he believes that he has discovered new truth, he has merely strayed on to the track of a buried illusion. In the case I have named, for the poet to have taught us more than experience teaches, he should have ventured still further, perhaps, in the negation of justice. But whatever our opinion may be on this point, it at least is clear that the poet who desires his hypotheses to be legitimate, and of service, must take heed that they be not too manifestly contrary to the experience of everyday life; for in that case they become useless and dangerous--scarcely honourable even, if the error be deliberately made. 30 And now, what are we to conclude from all this? Many things, if one will, but this above all: that it behoves the "interpreter of life," no less than those who are living that life, to exercise greatest care in their manner of handling and admitting mystery, and to discard the belief that whatever is noblest and best in life or in drama must of necessity rest in the part that admits of no explanation. There are many most beautiful, most human, most admirable works which are almost entirely free from this "disquiet of universal mystery." We derive no greatness, sublimity, or depth from unceasingly fixing our thoughts on the infinite and the unknown. Such meditation becomes truly helpful only when it is the unexpected reward of the mind that has loyally, unreservedly, given itself to the study of the finite and the knowable; and to such a mind it will soon be revealed how strangely different is the mystery which precedes what one does not know from the mystery that follows closely on what one has learned. The first would seem to contain many sorrows, but that is only because the sorrows are grouped there too closely, and have their home upon two of three peaks that stand too nearly together. In the second is far less sadness, for its area is vast; and when the horizon is wide, there exists no sorrow so great but it takes the form of a hope. 31