Orestes.

Sovran Athena, first from these last words

A cause of much concernment be removed.

I seek for no atonement; no pollution

Cleaves to thy sacred image from my touch.

Of this receive a proof. Thou know’st a murderer

Being unatoned a voiceless penance bears,

Till, from the hand of friendly man, the blood

Of a young beast from lusty veins hath sprent him,

Cleansing from guiltiness. These sacred rites