וַיִּשְׁלַ֤ח אַבְרָהָם֙ אֶת־יָד֔וֹ וַיִּקַּ֖ח אֶת־הַֽמַּאֲכֶ֑לֶת לִשְׁחֹ֖ט אֶת־בְּנֽוֹ׃
And Abraham stretched forth his hand, and took the knife to slay his son.
Read kabbalistic (mystical) interpretation of Genesis 22:10: and classical mystical sources.