כִּֽי־יָסִ֤יר אֶת־בִּנְךָ֙ מֵֽאַחֲרַ֔י וְעָבְד֖וּ אֱלֹהִ֣ים אֲחֵרִ֑ים וְחָרָ֤ה אַף־יְהוָה֙ בָּכֶ֔ם וְהִשְׁמִידְךָ֖ מַהֵֽר׃
For he will turn away thy son from following Me, that they may serve other gods; so will the anger of the LORD be kindled against you, and He will destroy thee quickly.
Read kabbalistic (mystical) interpretation of Deuteronomy 7:4: and classical mystical sources.