The calm, the coolness, the silent grass-growing mood in which a man ought always to compose,öthat, I fear, can seldom be mine. Dollars damn me; and the malicious Devil is forever grinning in upon me, holding the door ajar† What I feel most moved to write, that is banned,öit will not pay. So the product is a final hash, and all my books are botches.

-Melville, Herman
  Letter to Nathaniel Hawthorne,  Jun.

I heard a thousand blended notes, While in a grove I sate reclined, In that sweet mood when pleasant thoughts Bring sad thoughts to the mind.

-Wordsworth,William
  'LinesWritten in Early Spring', stanza1.

My whole life have I lived in pleasant thought, As if life's business were a summer mood; As if all needful things would come unsought To genial faith, still rich in genial good.

-Wordsworth,William
  'Resolution and Independence', stanza 6 (published1807).

For oft, when on my couch I lie In vacant or in pensive mood, They flash upon that inward eye Which is the bliss of solitude; And then my heart wih pleasure fills, And dances with the daffodils.

-Wordsworth,William
  'I wandered lonely as a cloud', stanza 4 (published1807).