don't let the grass grow under one's feet
Act now, don't delay. For example, Write your applications today; don't let the grass grow under your feet. This expression alludes to waiting so long that grass can grow. [c. 1600]
Words nearby don't let the grass grow under one's feet
don't go there,
don't hide your light under a bushel,
don't hold your breath,
don't judge a book by its cover,
don't know,
don't let the grass grow under one's feet,
don't lock the stable door after the horse has been stolen,
don't look a gift horse in the mouth,
don't mention it,
don't put all your eggs in one basket,
don't put off