Mystically interpreted; When we are smitten on the right cheek, He said not, offer to him thy left, but “the other;” for the righteous has not a left. That is, if a heretic has smitten us in disputation, and would wound us in a right hand doctrine, let him be met with another testimony from Scripture.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).