por la boca muere el pez betyder på engelska

loose lips sink ships▼(saying too much or releasing confidential information can have dangerous consequences)
phrase

silence is golden▼(proverb)
phrase
[UK: ˈsaɪ.ləns ɪz ˈɡəʊl.dən] [US: ˈsaɪ.ləns ˈɪz ˈɡoʊl.dən]