The well-meaning slayer

Explanation

this proverb was brought forth from Orestes, as Homer too showed: for having killed his mother, he held a funeral feast. Likewise from Antigonus the king, who, having murdered Semele, sent her bones with great care to her mother. Still more from Ptolemy Philopator: he shut up his mother Berenice in the palace and gave her over to Sosibius to guard, and when she, unable to bear her punishment, drank a deadly herb and died of the poison, then, troubled by dreams from her, he built in the middle of the city a tomb, now called the Sēma, and laid there all his forefathers along with her, and Alexander the Macedonian. And on the shore they founded a sanctuary to her, which they called "Berenice the Saviour."