I Chronicles 22:11 Kabbalah

עַתָּ֣ה בְנִ֔י יְהִ֥י יְהוָ֖ה עִמָּ֑ךְ וְהִצְלַחְתָּ֗ וּבָנִ֙יתָ֙ בֵּ֚ית יְהוָ֣ה אֱלֹהֶ֔יךָ כַּאֲשֶׁ֖ר דִּבֶּ֥ר עָלֶֽיךָ׃

Now, my son, the LORD be with thee; and prosper thou, and build the house of the LORD thy God, as He hath spoken concerning thee.

Read kabbalistic (mystical) interpretation of I Chronicles 22:11: and classical mystical sources.