To kill Me, He says, a man. I say nothing now of the Son of God, nothing of the Word, because the Word cannot die; I speak only of that which ye see. It is in your power to kill that which you see, and offend Him Whom ye see not.
This did not Abraham.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: tom. xx. 11.