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: November 14, 2010

"It would seem that doing this would be hard enough to cause a brainstorm."

— Sapolsky, Robert (b. 1957)