ἐπὶ ξυροῦ γὰρ ἀκμῆς ἔχεται ἡμῖν τὰ πρήγματα → our affairs are balanced on a razor's edge, our affairs are set upon the razor's edge
fairness: P. ὀρθότης, ἡ, ἐπιείκεια, ἡ, V. τοὐπιεικές.