Date: 1724

"When all at once / A thousand anxious Thoughts that slept by Day, / Swarm'd in my Brain, 'till it resembled Hell, / Hot, dark and hot: my sick Imagination, / Assisted by the Shades of Night, would give / A gloomy turn to each Idea there."

— Jeffreys, George (1678-1755)

Date: 1820

"And we breathe, and sicken not, / The atmosphere of human thought: / Be it dim, and dank, and gray, / Like a storm-extinguished day, / Travelled o'er by dying gleams; / Be it bright as all between / Cloudless skies and windless streams, / Silent, liquid, and serene; / As the birds within the win...

— Shelley, Percy Bysshe (1792-1822)