King James Version (KJV)
Thy God hath commanded thy strength: strengthen, O God, that which thou hast wrought for us.
Modern English
Summon your power, O God, the power, O God, by which you have worked for us.
Hebrew
צִוָּ֥ה אֱלֹהֶ֗יךָ עֻ֫זֶּ֥ךָ עוּזָּ֥ה אֱלֹהִ֗ים זוּ פָּ֥עַלְתָּ לָּֽנוּ׃
ṣivah ʾeloheyka ʿuzeka ʿvzah ʾelohiym zv paʿalta lanv