Tolong jelaskan mengenai Codex Sinaiticus (~330-360 M) dari Matius 7:12

omnia ergo quaecumque vultis ut faciant vobis homines et vos facite eis haec est enim lex et prophetae.

"Therefore all things whatsoever ye would that men should do to you, do ye even so to them: for this is the law and the prophets."