Jasher 2:35

And he said to his wives Adah and Zillah, Hear my voice O wives of Lamech, attend to my words, for now you have imagined and said that I slew a man with my wounds, and a child with my stripes for their having done no violence, but surely know that I am old and grey-headed, and that my eyes are heavy through age, and I did this thing unknowingly.