וַיִּקְרָ֨א אֵלָ֜יו מַלְאַ֤ךְ יְהוָה֙ מִן־הַשָּׁמַ֔יִם וַיֹּ֖אמֶר אַבְרָהָ֣ם ׀ אַבְרָהָ֑ם וַיֹּ֖אמֶר הִנֵּֽנִי׃
And the angel of the LORD called unto him out of heaven, and said: ‘Abraham, Abraham.’ And he said: ‘Here am I.’
Read halakhic rulings (Jewish law) on Genesis 22:11: and classical halakhic sources.