Full Idea
It will be obvious that it is impossible to understand how in reality each thing is.
Gist of Idea
It is obviously impossible to understand the reality of each thing
Source
Democritus (fragments/reports [c.431 BCE], B008), quoted by Sextus Empiricus - Against the Professors (six books) 7.137
Book Reference
'Ancilla to the Pre-Socratic Philosophers', ed/tr. Freeman,Kathleen [Harvard 1957], p.93