“Who ne'er his bread in sorrow ate,
Who ne'er the mournful midnight hours
Weeping upon his bed has sate,
He knows you not, ye Heavenly Powers.”
Motto, Hyperion, book i.
Bartlett's Familiar Quotations, 10th ed. (1919)
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Henry Wadsworth Longfellow 202
American poet 1807–1882Related quotes
“He who makes a paradise of his bread makes a hell of his hunger.”
Quien hace un paraíso de un pan, de su hambre hace un infierno.
Voces (1943)

Variant: Don't you know that a midnight hour comes when everyone has to take off his mask? Do you think life always lets itself be trifled with? Do you think you can sneak off a little before midnight to escape this?
Source: Either/Or, Part I

“He who has his thumb on the purse has the power.”
Wer den Daumen auf dem Beutel hat, der hat die Macht.
Speech to North German Reichstag (21 May 1869), Stenographische Berichte p. 1017 (left) http://books.google.de/books?id=wm9HAAAAYAAJ&pg=PA1017
1860s

“Most powerful is he who has himself in his own power.”

"Marianna Alcoforando"
Helen of Troy and Other Poems (1911)