He hears but half who hears one party only.

ATHENA: There are two sides to this dispute. I've heard only one half the argument. (...) So you two parties, summon your witnesses, set out your proofs, with sworn evidence to back your stories. Once I've picked the finest men in Athens, I'll return. They'll rule fairly in this case, bound by a sworn oath to act with justice.

The reward of suffering is experience

Search well and be wise, nor believe that self-willed pride will ever be better than good counsel.

For Hades is mighty in calling men to account below the earth, and with a mind that records in tablets he surveys all things.

Justice, voiceless, unseen, seeth thee when thou sleepest and when thou goest forth and when thou liest down. Continually doth she attend thee, now aslant thy course, now at a later time. These lines are from a section of doubtful or spurious fragments.

Oaths are not the credit of men but men of oaths.