Full Idea
The gods pay no attention to human affairs; if they did, they would not have ignored justice, which is the greatest good for men; for we see that men do not act with justice.
Gist of Idea
Clearly the gods ignore human affairs, or they would have given us justice
Source
Thrasymachus (fragments/reports [c.426 BCE], B8), quoted by Hermias - Notes on Plato's 'Phaedrus' 239.22
Book Reference
'The First Philosophers', ed/tr. Waterfield,Robin [OUP 2000], p.274