
Put (one's) money where (one's) mouth is

Translation put (one's) money where (one's) mouth is into russian
put (one's) money where (one's) mouth is
If someone believes in the project, they should put their money where their mouth is.
Если кто-то верит в проект, он должен подкрепить слова делом.
Definitions
To back up one's words or claims with action or financial commitment, demonstrating that one truly believes in what they are saying.