חֻקַּ֤ת עוֹלָם֙ לְדֹרֹ֣תֵיכֶ֔ם בְּכֹ֖ל מֽוֹשְׁבֹתֵיכֶ֑ם כָּל־חֵ֥לֶב וְכָל־דָּ֖ם לֹ֥א תֹאכֵֽלוּ׃ (פ)
It shall be a perpetual statute throughout your generations in all your dwellings, that ye shall eat neither fat nor blood.
Read kabbalistic (mystical) interpretation of Leviticus 3:17: and classical mystical sources.