American Standard Version
Say unto God, How terrible are thy works! Through the greatness of thy power shall thine enemies submit themselves unto thee.

Berean Study Bible
Say to God, “How awesome are Your deeds! So great is Your power that Your enemies cower before You.

Douay-Rheims Bible
Say unto God, How terrible are thy works, O Lord! in the multitude of thy strength thy enemies shall lie to thee.

English Revised Version
Say unto God, How terrible are thy works! through the greatness of thy power shall thine enemies submit themselves unto thee.

King James Bible
Say unto God, How terrible art thou in thy works! through the greatness of thy power shall thine enemies submit themselves unto thee.

World English Bible
Tell God, "How awesome are your deeds! Through the greatness of your power, your enemies submit themselves to you.

Young's Literal Translation
Say to God, 'How fearful are Thy works, By the abundance of Thy strength, Thine enemies feign obedience to Thee.

Psalm 66:3 Additional Translations ...