German phrase
Viele Köche verderben den Brei.
Meaning
Too many cooks spoil the broth
When to use it
Too many people spoil things. It warns that excess input can derail shared work.
Example dialogue
Sollen wir alle Vorschläge zusammenfassen?
Shall we summarize all the suggestions?
Viele Köche verderben den Brei. Wir nehmen nur drei Vorschläge.
Too many cooks spoil the broth. We'll use only three suggestions.