Date: March, 1826

"And both these effects are of equal use to human life; for the mind of man is like the sea, which is neither agreeable to the beholder nor the voyager, in a calm or in a storm, but is so to both when a little agitated by gentle gales; and so the mind, when moved by soft and easy passions or affe...

— Lamb, Charles (1775-1834)

Date: 1831

"There are conceptions of the mind, that come forth like the coruscations of lightning."

— Godwin, William (1756-1836)

Date: September 10, 1836

"And the blue sky in which the private earth is buried, the sky with its eternal calm, and full of everlasting orbs, is the type of Reason."

— Emerson, Ralph Waldo (1803-1882)

Date: w. 1821, 1840

"Man is an instrument over which a series of external and internal impressions are driven, like the alternations of an ever-changing wind over an Aeolian lyre, which move it by their motion to ever-changing melody."

— Shelley, Percy Bysshe (1792-1822)

Date: w. 1821, 1840

"It is as it were the interpretation of a diviner nature through our own; but its footsteps are like those of a wind over the sea, which the coming calm erases, and whose traces remain only as on the wrinkled sand which paves it."

— Shelley, Percy Bysshe (1792-1822)

Date: w. 1821, 1840

"The greatest poet even cannot say it; for the mind in creation is as a fading coal, which some invisible influence, like an inconstant wind, awakens to transitory brightness; this power arises from within, like the color of a flower which fades and changes as it is developed, and the conscious p...

— Shelley, Percy Bysshe (1792-1822)

Date: December 1843-January 1844

"And once the lightning of thought has squarely struck this ingenuous soil of the people, the emancipation of the Germans into men will be accomplished."

— Marx, Karl (1818-1883)