וּשְׁמַרְתֶּ֗ם אֶת־דִּבְרֵי֙ הַבְּרִ֣ית הַזֹּ֔את וַעֲשִׂיתֶ֖ם אֹתָ֑ם לְמַ֣עַן תַּשְׂכִּ֔ילוּ אֵ֖ת כָּל־אֲשֶׁ֥ר תַּעֲשֽׂוּן׃ (פ)
Observe therefore the words of this covenant, and do them, that ye may make all that ye do to prosper.
Read kabbalistic (mystical) interpretation of Deuteronomy 29:8: and classical mystical sources.