κατ' εὔνοιαν κρίνειν
From LSJ
Οὐκ ἔστι λύπης χεῖρον ἀνθρώποις κακόν → Maerore nullum hominibus est peius malum → für Menschen gibt's kein größres Leid als Traurigkeit
Greek > English (Woodhouse)
decide under influence of favoritism, decide under influence of favouritism, give a biassed judgment