To understand what _time_ is aright, without which we never can comprehend _infinity_, insomuch as one is a portion of the other----we ought seriously to sit down and consider what idea it is we have of _duration_, so as to give a satisfactory account how we came by it. 
To understand what time is, without which we never can comprehend infinity, - we ought seriously to sit down and consider what idea we have of duration, and how we came by it.'
'Why?'
