This is an aria (for bass) from the Christmas Oratorio by JS Bach.
It is written in D major, and is called Großer Herr und starker König. It was written for voice, trumpet, flute, strings, and basso continuo.
Originally, it comes from the cantata BWV 214: Aria, Kron und Preis gekrönter Damen. which was later included into the christmas oratorio.