1 Corinthians 14:8

For example, if the trumpet made an uncertain sound, who would prepare himself for battle

Other versions

King James Version

For if the trumpet give an uncertain sound, who shall prepare himself to the battle?

English Standard Version

And if the bugle gives an indistinct sound, who will get ready for battle?

New International Version

Again, if the trumpet does not sound a clear call, who will get ready for battle?