Luke 12:40

Be ye therefore ready also: for the Son of man cometh at an hour when ye think not.
— Luke 12:40, King James Version

In other translations

World English Bible (WEB)

Therefore be ready also, for the Son of Man is coming in an hour that you don't expect him."

American Standard Version (ASV)

Be ye also ready: for in an hour that ye think not the Son of man cometh.

Young's Literal Translation (YLT)

and ye, then, become ye ready, because at the hour ye think not, the Son of Man doth come.'