The Republic by Plato Part 5 Page 7

most need to be sure of my footing, and drag my friends after me in my fall.

And I pray Nemesis not to visit upon me the words which I am going to utter. For I do indeed believe that to be an involuntary homicide is a less crime than to be a deceiver about beauty or goodness or justice in the matter of laws. And that is a risk which I would rather run among enemies than among friends, and therefore you do well to encourage me.

Glaucon laughed and said: Well then, Socrates, in case you and your argument do us any serious injury you shall be acquitted beforehand of the homicide, and shall not be held to be a deceiver; take courage then and speak.

Well, I said, the law says that when a man is acquitted he is free from guilt, and what holds at law may hold in argument.