go no further

go no further

To not be shared with anyone else, as of a secret. Don't worry, your secret's safe with me—it will go no further.
See also: further, go, no
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

go no ˈfurther

,

not go any ˈfurther

if you tell somebody that a secret will go no further, you promise not to tell it to anyone else: Can I have your assurance that this will go no further?
See also: further, go, no
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
References in classic literature ?
For while the mind of man looketh upon second causes scattered, it may sometimes rest in them, and go no further; but when it beholdeth the chain of them, confederate and linked together, it must needs fly to Providence and Deity.