Date: August 1817

"Whenever any object takes such a hold on the mind as to make us dwell upon it, and brood over it, melting the heart in love, or kindling it to a sentiment of admiration;--whenever a movement of imagination or passion is impressed on the mind, by which it seeks to prolong and repeat the emotion, ...

— Hazlitt, William (1778-1830)

Date: August 31, 1837

"But they can only highly serve us, when they aim not to drill, but to create; when they gather from far every ray of various genius to their hospitable halls, and, by the concentrated fires, set the hearts of their youth on flame."

— Emerson, Ralph Waldo (1803-1882)

Date: w. 1821, 1840

"A single sentence may be considered as a whole, though it may be found in the midst of a series of unassimilated portions; a single word even may be a spark of inextinguishable thought."

— 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: 1845

"My soul was set all on fire."

— Douglass, Frederick (1818-1895)

Date: 1854

"And now he saw by the heap of shavings still fresh at his feet, that, for him and his work, the former lapse of time had been an illusion, and that no more time had elapsed than is required for a single scintillation from the brain of Brahma to fall on and inflame the tinder of a mortal brain."

— Henry David Thoreau (1817-1862)

Date: April, 1871

"A hot flash seems to burn across the brain."

— Bagehot, William (1826-1877)

Date: April, 1871

"In the same way, I think, experience proves that no one who has had real passionate conviction of a creed, the sort of emotion that burns hot upon the brain, can ever be indifferent to that creed again."

— Bagehot, William (1826-1877)