We have no knowledge, that is, no general principles drawn from the contemplation of particular facts, but what has been built up by pleasure, and exists in us by pleasure alone. The Man of Science, the Chemist and Mathematician, whatever difficulties and disgusts they may have had to struggle with, know and feel this. However painful may be the objects with which the Anatomist's knowledge is connected, he feels that his knowledge is pleasure; and where he has no pleasure he has no knowledge.

Fill your paper with the breathings of your heart.

Poetry has never brought me in enough money to buy shoestrings.

Milton, thou should'st be living at this hour.

In that sweet mood when pleasant thoughts bring sad thoughts to the mind.

The gods approve The depth, and not the tumult, of the soul.

It may be safely affirmed that there neither is, nor can be, any essential difference between the language of prose and metrical composition.... They both speak by and to the same organs; the bodies in which both of them are clothed may be said to be of the same substance, their affections are kindred, and almost identical, not necessarily differing even in degree; Poetry sheds no tears "such as Angels weep," but natural and human tears; she can boast of no celestial ichor that distinguishes her vital juices from those of prose; the same human blood circulates through the veins of them both.