1 Corinthians 15:14

And if Christ be not risen, then is our preaching vain, and your faith is also vain.
— 1 Corinthians 15:14, King James Version

In other translations

World English Bible (WEB)

If Christ has not been raised, then our preaching is in vain, and your faith also is in vain.

American Standard Version (ASV)

and if Christ hath not been raised, then is our preaching vain, your faith also is vain.

Young's Literal Translation (YLT)

and if Christ hath not risen, then void <FI>is<Fi> our preaching, and void also your faith,