Exodus 40:37

But if the cloud were not taken up, then they journeyed not till the day that it was taken up.
— Exodus 40:37, King James Version

In other translations

World English Bible (WEB)

but if the cloud wasn't taken up, then they didn't travel until the day that it was taken up.

American Standard Version (ASV)

but if the cloud was not taken up, then they journeyed not till the day that it was taken up.

Young's Literal Translation (YLT)

and if the cloud go not up then they journey not, until the day of its going up: