זָכַ֣ר לְעוֹלָ֣ם בְּרִית֑וֹ דָּבָ֥ר צִ֝וָּ֗ה לְאֶ֣לֶף דּֽוֹר׃
He hath remembered His covenant for ever, The word which He commanded to a thousand generations;
Read kabbalistic (mystical) interpretation of Psalms 105:8: and classical mystical sources.