Date: 1767

"Ordinary minds seldom rise above the dull uniform tenor of common sentiments, like those animals that are condemned to creep on the ground all the days of their life; but the most lawless excursions of an original Genius, like the flight of an eagle, are towering, though devious; its path, as th...

— Duff, William (1732-1815)

Date: September, 1770

"This double feeling is of various kinds and various degrees; some minds receiving a colour from the objects around them, like the effects of the sun beams playing thro' a prism; and others, like the cameleon, having no colours of their own, take just the colours of what chances to be nearest them."

— Boswell, James (1740-1795)

Date: April, 1783

"Or it may be thus: his ideas hide themselves like birds in gloomy weather; but in warm sunshine they spring forth gay and airy."

— Boswell, James (1740-1795)