Date: 1744, 1772, 1795

"Passion's fierce illapse / Rouzes the mind's whole fabric; with supplies / Of daily impulse keeps the elastic powers / Intensely poiz'd, and polishes anew / By that collision all the fine machine: / Else rust would rise, and foulness, by degrees / Incumbering, choak at last what heaven design'd ...

— Akenside, Mark (1720-1771)

Date: 1999

"On its own this trigger, as we can see from the earlier definition, is not going to generate consciousness. Imagine a candyfloss machine with a stick in the centre that then gathers more and more candyfloss as time goes on. Think of the epicentre as the stick in the centre, the burgeoning candy...

— Greenfield, Susan (b. 1950)