אָ֤ז דִּבַּ֥רְתָּֽ־בְחָ֡זוֹן לַֽחֲסִידֶ֗יךָ וַתֹּ֗אמֶר שִׁוִּ֣יתִי עֵ֭זֶר עַל־גִּבּ֑וֹר הֲרִימ֖וֹתִי בָח֣וּר מֵעָֽם׃
Then Thou spokest in vision to Thy godly ones, And saidst: 'I have laid help upon one that is mighty; I have exalted one chosen out of the people.
Read kabbalistic (mystical) interpretation of Psalms 89:20: and classical mystical sources.