King James Version
If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?English Standard Version
If I have told you earthly things and you do not believe, how can you believe if I tell you heavenly things?Catholic Public Domain Version
If I have spoken to you about earthly things, and you have not believed, then how will you believe, if I will speak to you about heavenly things