John 4:48

Then said Jesus unto him, Except ye see signs and wonders, ye will not believe.
— John 4:48, King James Version

In other translations

World English Bible (WEB)

Jesus therefore said to him, "Unless you see signs and wonders, you will in no way believe."

American Standard Version (ASV)

Jesus therefore said unto him, Except ye see signs and wonders, ye will in no wise believe.

Young's Literal Translation (YLT)

Jesus then said unto him, 'If signs and wonders ye may not see, ye will not believe.'